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Warming alters predator-prey interactions in the Arctic

Wolf spiders are so abundant that they outweigh real wolves in the Alaskan Arctic by several orders of magnitude. Their sheer numbers make them...

Permafrost thawing could accelerate global warming

A team of researchers lead by Florida State University have found new evidence that permafrost thawing is releasing large quantities of greenhouse gases into...

Dinosaur skull may reveal T. rex’s smaller cousin from the north

A 70 million year old fossil found in the Late Cretaceous sediments of Alaska reveals a new small tyrannosaur, according to a paper published...

NASA: Warm Rivers Play Role in Arctic Sea Ice Melt

The heat from warm river waters draining into the Arctic Ocean is contributing to the melting of Arctic sea ice each summer, a new...

Whales, ships more common through Bering Strait

The Arctic is home to a growing number of whales and ships, and to populations of sub-Arctic whales that are expanding their territory into...

How do polar bears stay warm? Research finds an answer in...

In the winter, brown and black bears go into hibernation to conserve energy and keep warm. But things are different for their Arctic relative, the...

DNA reveals new clues: Why did mammoths die out?

Why did mammoths and other large mammals of the tundra suddenly become extinct some 10,000 years ago? It’s a question that has divided scientists over...

Dramatic thinning of Arctic lake ice cuts winter ice season by...

Arctic lakes have been freezing up later in the year and thawing earlier, creating a winter ice season about 24 days shorter than it...

Arctic a source of atmospheric carbon

For the past three decades, as the climate has warmed, the massive plates of sea ice in the Arctic Ocean have shrunk: In 2007,...

Greenland’s shrunken ice sheet: We’ve been here before

Think Greenland’s ice sheet is small today? It was smaller — as small as it has ever been in recent history — from 3-5,000 years...

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