Scientists map movement of Greenland Ice during past 9,000 years

Scientists have created the first map that shows how the Greenland Ice Sheet has moved over time, revealing that ice in the interior is moving more slowly toward the edges than it has, on average, during the past 9,000 years.

Alternate theory of inhabitation of North America disproved

There has long been a debate among scholars about the origins of the first inhabitants of North America. The most widely accepted theory is that sometime before 14,000 years ago, humans migrated from Siberia to Alaska by ...

Down to three wolves on Isle Royale

Only three wolves seem to remain in Isle Royale National Park. Researchers from Michigan Technological University observed the wolves during their annual Winter Study, and the lone group, at an unprecedented low, is a sharp ...

Clock Is ticking in West Antarctic

Reports that a portion of the West Antarctic Ice Sheet has begun to irretrievably collapse, threatening a 4-foot rise in sea levels over the next couple of centuries, surged through the news media last week. But many are ...

Original Australians numbered 1,000-3,000, study finds

Australia was first settled by between 1,000 and 3,000 humans around 50,000 years ago, but the population crashed during the Ice Age before recovering to a peak of some 1.2 million people around five centuries ago, a study ...

Woolly mammoth extinction has lessons for modern climate change

Although humans and woolly mammoths co-existed for millennia, the shaggy giants disappeared from the globe between 4,000 and 10,000 years ago, and scientists couldn't explain until recently exactly how the Flinstonian behemoths ...

Ice Bridge Supporting Wilkins Ice Shelf Collapses

(PhysOrg.com) -- An ice bridge connecting the Wilkins Ice Shelf on the Antarctic Peninsula to Charcot Island has disintegrated. The event continues a series of breakups that began in March 2008 on the ice shelf, and highlights ...

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