Human migration is physical movement by humans from one area to another, sometimes over long distances or in large groups. Historically this movement was nomadic, often causing significant conflict with the indigenous population and their displacement or cultural assimilation. Only a few nomadic people have retained this form of lifestyle in modern times. Migration has continued under the form of both voluntary migration within one's region, country, or beyond and involuntary migration (which includes the slave trade, trafficking in human beings and ethnic cleansing).
People who migrate into a territory are called immigrants, while at the departure point they are called emigrants. Small populations migrating to develop a territory considered void of settlement depending on historical setting, circumstances and perspective are referred to as settlers or colonists, while populations displaced by immigration and colonization are called refugees. The rest of this article will cover sense of a "change of residence", rather than the temporary migrations of travel, tourism, pilgrimages, or the commute. Read more
Study reveals Asian ancestry of Pacific islanders PhysOrg - October 4, 2016
Ancient DNA has revealed the first inhabitants of Vanuatu and Tonga came from Asia, not other Oceanic populations as has long been assumed, a study published Tuesday found. The study sheds light on the last great human migration into unpopulated lands, when a people called the Lapita fanned out into the South Pacific about 3,000 years ago. Little is known of the mysterious culture beyond their distinctive dotted pottery and the human remains they left behind. Scientists had speculated that they were an offshoot of Australo-Papuan populations of Australia, New Guinea and the Solomon Islands, who arrived in the region 40,000-50,000 years ago.
Mysterious Branch of Humanity Possibly Discovered Live Science - September 23, 2016
A group of humans migrating out of Africa some 40,000 to 70,000 years ago mingled with an as-yet unknown branch of humanity, researchers say. Modern humans originated about 150,000 to 200,000 years ago in Africa. However, scientists have long debated when and how the modern human lineage spread out of Africa to nearly every corner of the globe. Nearly everyone outside Africa descended from an exodus that occurred between 40,000 and 70,000 years ago, but recent archaeological findings and climate models suggest that migrations of modern humans from Africa began at least 100,000 years ago. One way to find out whether, in the past, modern humans dispersed from Africa in one wave or many - and to see if they intermingled with any other human lineages along the way - is to examine the genomes of present-day modern humans.
Scientists reveal sub-Saharan Africa's legacy of past migrations over last 4,000 years Science Daily - June 22, 2016
Researchers have revealed that the genetic ancestries of many of sub-Saharan Africa's populations are the result of historical DNA mixing events, known as admixture, within the last 4,000 years. Their study, to be published in the journal eLife, uncovers signatures of these admixture events through a large analysis of DNA from populations across the continent. The discovery provides a foundation for the recent genetic history of the continent, which could aid future studies of non-communicable and infectious diseases, such as malaria. While admixture has been demonstrated in other regions of the world, the new analysis has allowed the team to characterise sub-Saharan Africa's mixing events in an unprecedented level of detail.
Betrayals of trust helped the rapid spread of human species around the world PhysOrg - November 27, 2015
New research by an archaeologist suggests that betrayals of trust were the missing link in understanding the rapid spread of our own species around the world. The speed and character of human dispersals changed significantly around 100,000 years ago. Before then, movement of archaic humans were slow and largely governed by environmental events due to population increases or ecological changes. Afterwards populations spread with remarkable speed and across major environmental barriers.
Rare Bones and DNA of tiny children surprise scientists, support ideas about migration into the Americas 11,000 years ago Ancient Origins - October 27, 2015
The small bodies of infants buried in an ancient campsite in the wilds of Alaska have given researchers a surprising and unprecedented look into the lives of prehistoric peoples and the ancient lineages of Native Americans. These rare bones are said to be the earliest human remains found in northern North America.
Ancient babies boost Bering land bridge layover Science Daily - October 27, 2015
Scientists deciphered maternal genetic material from two babies buried together in Alaska 11,500 years ago. They found the infants had different mothers and were the northernmost known kin to two lineages of Native Americans found farther south throughout North and South America. The study supports the theory that Native Americans descended from people who migrated from Asia to Bering land bridge, then spent up to 10,000 years there before moving into the Americas beginning at least 15,000 years ago.
Fossil teeth place humans in Asia '20,000 years early' BBC - October 14, 2015
Fossil finds from China have shaken up the traditional narrative of humankind's dispersal from Africa. Scientists working in Daoxian, south China, have discovered teeth belonging to modern humans that date to at least 80,000 years ago. This is 20,000 years earlier than the widely accepted "Out of Africa" migration that led to the successful peopling of the globe by our species.
Humans Exited Africa, and Trekked to China, Fossils Reveal Live Science - October 14, 2015
Teeth from a cave in China suggest that modern humans lived in Asia much earlier than previously thought, and tens of thousands of years before they reached Europe, researchers say. This discovery yields new information about the dispersal of modern humans from Africa to the rest of the world, and could shed light on how modern humans and Neanderthals interacted, the scientists added.Modern humans first originated about 200,000 years ago in Africa. When and how the modern human lineage dispersed from Africa has long been controversial.
Ancient DNA reveals 'into Africa' migration BBC - October 9, 2015
Researchers extracted DNA from a 4,500-year-old skull that was discovered in the highlands of Ethiopia. A comparison with genetic material from today's Africans reveals how our ancient ancestors mixed and moved around the continents. This has left a genetic legacy, and the scientists believe up to 25% of the DNA of modern Africans can be traced back to this event.
DNA uncovers mystery migration to the Americas BBC - July 22, 2015
Genetic studies link indigenous peoples in the Amazon and Australasia Science Daily - July 21, 2015
Native Americans living in the Amazon bear an unexpected genetic connection to indigenous people in Australasia, suggesting a previously unknown wave of migration to the Americas thousands of years ago, a new study has found.
Genetic studies link indigenous peoples in the Amazon and Australasia PhysOrg - July 21, 2015
Native Americans living in the Amazon bear an unexpected genetic connection to indigenous people in Australasia, suggesting a previously unknown wave of migration to the Americas thousands of years ago, a new study has found. There's a strong working model in archaeology and genetics, of which I have been a proponent, that most Native Americans today extend from a single pulse of expansion south of the ice sheets - and that's wrong. We missed something very important in the original data. Previous research had shown that Native Americans from the Arctic to the southern tip of South America can trace their ancestry to a single "founding population" called the First Americans, who came across the Bering land bridge about 15,000 years ago.
Genome analysis pins down arrival and spread of first Americans PhysOrg - July 21, 2015
The original Americans came from Siberia in a single wave no more than 23,000 years ago, at the height of the last Ice Age, and apparently hung out in the north - perhaps for thousands of years - before spreading in two distinct populations throughout North and South America, according to a new genomic analysis.
Humans migrated north, rather than south, in the main successful migration from Cradle of Humankind PhysOrg - May 29, 2015
New research suggests that European and Asian (Eurasian) peoples originated when early Africans moved north - through the region that is now Egypt - to expand into the rest of the world. The findings answer a long-standing question as to whether early humans emerged from Africa by a route via Egypt, or via Ethiopia.
Humans Trekked Out of Africa Via Egypt, Study Suggests Live Science - May 29, 2015
The major gateway for modern humans out of Africa may have been Egypt, a new genetic analysis suggests. This finding may helps scientists reconstruct how humans evolved as they wandered across the globe, the researchers added. Modern humans first arose about 200,000 years ago in Africa south of the Sahara. When and how the modern human lineage crossed the Sahara and dispersed from Africa has long been controversial. Previous research suggested the exodus from Africa started between 70,000 and 40,000 years ago. However, a recent study hinted that modern humans might have begun their march across the globe as early as 130,000 years ago, and continued their expansion out of Africa in multiple waves.
Two ancient human fossils from Laos reveal early human diversity Science Daily - April 8, 2015
An ancient human skull and a jawbone found a few meters away in a cave in northern Laos add to the evidence that early modern humans were physically quite diverse. The skull, found in 2009 in a cave known as Tam Pa Ling in the Annamite Mountains of present-day Lao is the oldest modern human fossil found in Southeast Asia. Its discovery pushed back the date of modern human migration through the region by as much as 20,000 years. It revealed that early humans who migrated to the islands and coasts of Southeast Asia after migrating out of Africa also traveled inland much earlier than previously thought, some 46,000 to 63,000 years ago. The jaw was discovered in late 2010 and is roughly the same age as the skull. Unlike the skull, it has both modern and archaic human trait.
Genomes document ancient mass migration to Europe BBC - March 2, 2015
DNA analysis has revealed evidence for a massive migration into the heartland of Europe 4,500 years ago. Data from the genomes of 69 ancient individuals suggest that herders moved en masse from the continent's eastern periphery into Central Europe. These migrants may be responsible for the expansion of Indo-European languages, which make up the majority of spoken tongues in Europe today. Analysis show that 7,000-8,000 years ago, a closely related group of early farmers moved into Europe from the Near East, confirming the findings of previous studies. The farmers were distinct from the indigenous hunter-gatherers they encountered as they spread around the continent. Eventually, the two groups mixed, so that by 5,000-6,000 years ago, the farmers' genetic signature had become melded with that of the indigenous Europeans. But previous studies show that a two-way amalgam of farmers and hunters is not sufficient to capture the genetic complexity of modern Europeans. A third ancestral group must have been added to the melting pot more recently.
Skull clue to exodus from Africa BBC - January 28, 2015
An ancient skull discovered in Israel could shed light on the migration of modern humans out of Africa some 60,000 years ago. This migration led to the colonization of the entire planet by our species, as well as the extinction of other human groups such as the Neanderthals. The skull from Manot Cave dates to 55,000 years ago and may be the closest we've got to finding one of the earliest migrants from Africa.
First Eurasians left Africa up to 130,000 years ago Science Daily - April 22, 2014
Scientists have shown that anatomically modern humans spread from Africa to Asia and Europe in several migratory movements. The first ancestors of today's non-African peoples probably took a southern route through the Arabian Peninsula as early as 130,000 years ago, the researchers found.
Humans May Have Dispersed Out of Africa Earlier Than Thought Live Science - April 21, 2014
Modern humans may have dispersed in more than one wave of migration out of Africa, and they may have done so earlier than scientists had long thought, researchers now say. Modern humans first arose between 100,000 and 200,000 years ago in Africa. But when and how the modern human lineage then dispersed out of Africa has long been controversial. Scientists have suggested the exodus from Africa started between 40,000 and 70,000 years ago. However, stone artifacts dating to at least 100,000 years ago that were recently uncovered in the Arabian Desert suggested that modern humans might have begun their march across the globe earlier than once suspected.
Chicken bones tell true story of Pacific migration PhysOrg - March 17, 2014
Did the Polynesians beat Columbus to South America? Not according to the tale of migration uncovered by analysis of ancient DNA from chicken bones recovered in archaeological digs across the Pacific. The ancient DNA has been used to study the origins and dispersal of ancestral Polynesian chickens, reconstructing the early migrations of people and the animals they carried with them.
Language 'evolution' may shed light on human migration out-of-Beringia: Relationship between Siberian, North American languages Science Daily - March 13, 2014
Evolutionary analysis applied to the relationship between North American and Central Siberian languages may indicate that people moved out from the Bering Land Bridge, with some migrating back to central Asia and others into North America.
Hitchhiking Virus Confirms Saga of Ancient Human Migration Science Daily - October 23, 2013
A study of the full genetic code of a common human virus offers a dramatic confirmation of the "out-of-Africa" pattern of human migration, which had previously been documented by anthropologists and studies of the human genome. The virus under study, herpes simplex virus type 1 (HSV-1), usually causes nothing more severe than cold sores around the mouth, says Curtis Brandt, a professor of medical microbiology and ophthalmology at UW-Madison. Brandt is senior author of the study, now online in the journal PLOS ONE.
New theory on African exit PhysOrg - January 30, 2013
Modern humans left Africa twice as early as previously thought, spreading in a number of climate-driven waves, new research suggests. The paper, published in Quaternary International, pours fresh doubt on the previously-held consensus that humans spread from Africa in a single cohort. The consensus view has been that modern humans left Africa around 60,000 years ago by a coastal route, skirting around some very arid places, and spread to Australia very quickly. Previous attempts to put a date on the exit of modern humans from Africa have relied heavily on evidence from genetics and archaeology.
Ancient migration: Genes link Australia with India BBC - January 15, 2013
Australia experienced a wave of migration from India about 4,000 years ago, a genetic study suggests. It was thought the continent had been largely isolated after the first humans arrived about 40,000 years ago until the Europeans moved in in the 1800s.
Gene flow from India to Australia about 4,000 years ago PhysOrg - January 14, 2013
Long before Europeans settled in Australia humans had migrated from the Indian subcontinent to Australia and mixed with Australian aborigines.
Secret of Dingo's Down-Under Origin Revealed Live Science - January 14, 2013
Indians migrating to Australia more than 4,000 years ago may have introduced dingoes to the island continent, along with novel stone tools and new ways to remove toxins from edible plants, researchers say. Australia was thought to have remained largely isolated from the rest of the world between its initial colonization about 40,000 years ago by the ancestors of aboriginal Australians and the arrival of Europeans in the late 1800s.
Americas 'settled in three waves' BBC - July 13, 2012
The biggest survey of Native American DNA has concluded that the New World was settled in three major waves. But the majority of today's indigenous Americans descend from a single group of migrants that crossed from Asia to Alaska 15,000 years ago or more. Previous genetic data have lent support to the idea that America was colonized by a single migrant wave. An international team of researchers have published their findings in the journal Nature.
Native American populations descend from three key migrations PhysOrg - July 12, 2012
Scientists have found that Native American populations - from Canada to the southern tip of Chile - arose from at least three migrations, with the majority descended entirely from a single group of First American migrants that crossed over through Beringia, a land bridge between Asia and America that existed during the ice ages, more than 15,000 years ago.
Asia Was Settled in Multiple Waves of Migration, DNA Study Suggests Science Daily - September 26, 2011
An international team of researchers studying DNA patterns from modern and archaic humans has uncovered new clues about the movement and intermixing of populations more than 40,000 years ago in Asia.
All Non-Africans Part Neanderthal, Genetics Confirm Discovery - July 18, 2011
If your heritage is non-African, you are part Neanderthal, according to a new study in the July issue of Molecular Biology and Evolution. Discovery News has been reporting on human/Neanderthal interbreeding for some time now, so this latest research confirms earlier findings. Damian Labuda of the University of Montreal's Department of Pediatrics and the CHU Sainte-Justine Research Center conducted the study with his colleagues. They determined some of the human X chromosome originates from Neanderthals, but only in people of non-African heritage. "This confirms recent findings suggesting that the two populations interbred," Labuda was quoted as saying in a press release.
Skulls show New World was settled twice: study PhysOrg - June 14, 2010
Paleoanthropologists from Brazil, Chile and Germany compared the skulls of several dozen Paleoamericans, dating back to the early days of migration 11,000 years ago, with the more recent remains of more than 300 Amerindians.
DNA testing on 2,000-year-old bones in Italy reveal East Asian ancestry PhysOrg - February 2, 2010
Researchers excavating an ancient Roman cemetery made a surprising discovery when they extracted ancient mitochondrial DNA (mtDNA) from one of the skeletons buried at the site: the 2,000-year-old bones revealed a maternal East Asian ancestry.
Greening of Sahara Desert Triggered Early Human Migrations out of Africa Science Daily - November 11, 2009
A team of scientists from the NIOZ Royal Netherlands Institute for Sea Research and the University of Bremen (Germany) has determined that a major change in the climate of the Sahara and Sahel region of North Africa facilitated early human migrations from the African continent. The team's findings will be published online in the Nov. 9th installment of Early Edition of the Proceedings of the National Academy of Sciences USA. Among the key findings are that the Sahara desert and the Sahel were considerably wetter around 9,000, 50,000 and 120,000 years ago than at present, allowing for the growth of trees instead of grasses.
Scandinavians Are Descended From Stone Age Immigrants, Ancient DNA Reveals Science Daily - September 24, 2009
Today's Scandinavians are not descended from the people who came to Scandinavia at the conclusion of the last ice age but, apparently, from a population that arrived later, concurrently with the introduction of agriculture. This is one conclusion of a new study straddling the borderline between genetics and archaeology, which involved Swedish researchers and which has now been published in the journal Current Biology.
First Americans Arrived As Two Separate Migrations, According To New Genetic Evidence Science Daily - January 8, 2009
The first people to arrive in America traveled as at least two separate groups to arrive in their new home at about the same time, according to new genetic evidence published online in Current Biology. After the Last Glacial Maximum some 15,000 to 17,000 years ago, one group entered North America from Beringia following the ice-free Pacific coastline, while another traversed an open land corridor between two ice sheets to arrive directly into the region east of the Rocky Mountains. (Beringia is the landmass that connected northeast Siberia to Alaska during the last ice age.) Those first Americans later gave rise to almost all modern Native American groups of North, Central, and South America, with the important exceptions of the Na-Dene and the Eskimos-Aleuts of northern North America, the researchers said.
Fossils Lend Clues to Alaska's Eurasian Roots National Geographic - November 18, 2008
The tiny, prehistoric seashells swirl, spiral, and twist. Some curl like soft-serve ice cream, others sport crowns of fragile, hollow spines. They evoke tropical reefs, but geologist David Rohr found them lodged in gray Alaskan limestone. These 18 Paleozoic-era snails - half of them new to science - did live on reefs some 420 million years ago, when jawless fishes spread throughout the seas and the ancestors of spiders and centipedes began creeping about on land.
Innovation Linked to Human Migration Out of Africa National Geographic - October 31, 2008
Innovation - not climate change - may have triggered early humans' migration out of Africa, a new study suggests. For early Homo sapiens, periods of population movement coincided with social advances and tool-making innovation, the work found.
Prehistoric Hair Suggests 1st Eskimos Came From Asia National Geographic - May 30, 2008
A clump of frozen human hair from northwest Greenland suggests that the first Eskimos in the New World did not descend from Native Americans as previously thought but came directly from Asia, a new study says. Furthermore, these pioneer settlers of the far north later died out and did not give rise to the Inuit living in Greenland today.
Crusades, Islam Expansion Traced in Lebanon DNA National Geographic - March 29, 2008
A new study has found genetic traces of both the arrival of the Crusades and of the expansion of Islam in Lebanon. The findings not only confirm well-documented history but also present a rare genetic trail showing the movement of two major religions into Lebanon, scientists say.
Out of Africa, Not Once But Twice Discovery - March 15, 2008
Modern humans are known to have left Africa in a wave of migration around 50,000 years ago, but another, smaller group -- possibly a different subspecies -- left the continent 50,000 years earlier, suggests a new study. While all humans today are related to the second "out of Africa" group, it's likely that some populations native to Israel, Jordan, Lebanon, Syria, Australia, New Zealand and Indonesia retain genetic vestiges of the earlier migrants, according to the paper's author, Michael Schillaci.
Native American DNA Links to Six "Founding Mothers" National Geographic - March 14, 2008
Nearly all of today's Native Americans in North, Central, and South America can trace part of their ancestry to six women whose descendants immigrated around 20,000 years ago, a DNA study suggests. Those women left a particular DNA legacy that persists to today in about about 95 percent of Native Americans, researchers said.
Americas Settled 15,000 Years Ago, Study Says National Geographic - March 14, 2008
A consensus is emerging in the highly contentious debate over the colonization of the Americas, according to a study that says the bulk of the region wasn't settled until as late as 15,000 years ago. Researchers analyzed both archaeological and genetic evidence from several dozen sites throughout the Americas and eastern Asia for the paper.
Massive Genetic Study Supports "Out of Africa" Theory National Geographic - February 21, 2008
Two big genetic studies confirm theories that modern humans evolved in Africa and then migrated through Europe and Asia to reach the Pacific and Americas.
New World Settlers Took 20,000-Year Pit Stop National Geographic - February 15, 2008
Human settlement of the New World occurred in three separate stages and involved a 20,000-year layover on the land bridge that once connected Asia to the Americas, scientists say. The trip was also a much larger affair than previously thought, involving about 4,500 individuals instead of the hundred or fewer previously estimated to have made the journey
A Mysterious Stroll Through Human History Live Science - December 1, 2007
Today, we are a global species, that is, found on every continent, because 200,000 years ago fully modern humans pulled up stakes and took off. First we moved out of Africa, going north and then around the Mediterranean, spreading quickly into Europe, the Balkans and the Middle East. Following in the footsteps of Homo erectus, much earlier ancestors, modern humans then laced up their walking shoes again and headed out across the globe, not even stopping when faced with water. Wide Pacific? No problem. We built boats and sailed across ocean, populating islands as we went.
Gene study supports single main migration across Bering Strait PhysOrg - November 27, 2007
Did a relatively small number of people from Siberia who trekked across a Bering Strait land bridge some 12,000 years ago give rise to the native peoples of North and South America?
Pig DNA Study Suggests New Path of Pacific Human Migration National Geographic - March 21, 2007
Like following a trail of genetic breadcrumbs, researchers have used pig DNA to reconstruct the migration route of humans out of Asia and into the Pacific. The porcine clues have revealed that the story is more complex than long-held theories suggest. Based on their evidence, the scientists say that various pig-toting cultures from Vietnam traveled south through the Malaysian Peninsula into the Indonesian islands of Sumatra and Java and into the Lesser Sunda Islands.
Headless Bodies Hold Secrets to Pacific Migrations Live Science - March 16, 2007
Archaeologists working on the Pacific islands of Vanuatu have found the region's oldest cemetery, and it's filled with a slew of headless bodies. The peculiar 3,000-year-old skeletons belong to the Lapita people, the earliest known inhabitants of the Pacific Islands. Their DNA could shed light on how the many remote island specks surrounding Vanuatu were colonized, the researchers say. "Both Vanuatu and Western Polynesia were first settled by the Lapita culture but their populations are somewhat different genetically and this has not yet been explained," said dig leader Matthew Spriggs, an archaeologist with the Australian National University. The Vanuatu burials --which include mismatching bodies and heads of individuals from different corners of the Pacific Islands - could help explain how everyone eventually ended up where they did, he said.
Ancient Maps And Corn Help Track The Migrations Of Indigenous People Science Daily - June 16, 2004
Maps are tools to show you where you are going, but they can also show you where you came from. That principle drives the work of Roberto Rodr’guez and Patrisia Gonzales, who study ancient maps, oral traditions and the movement of domesticated crops to learn more about the origins of native people in the Americas.
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