Rushing rivers are helping melt Arctic sea ice, according to new research by NASA scientists. Continue reading →
Extinct elephants and other herbivores tended prehistoric Europe into a mixture of park-like spaces and clumps of forests. Continue reading →
Warmer temperatures over the Arctic has slowed the jet stream, which pushes colder weather further south, experts say.
The Arctic ice cap is stuck in a vicious loop between a warming environment and melting ice.
As a dangerous winter storm moves out of the South and up the East Coast, follow the damage left in its wake.
Visitors to the Apostle Islands National Lakeshore can make the icy trek along Lake Superior to glimpse the millions of icicles.
The U.S. winter of 2014 seems like the setting for HBO's "Game of Thrones" -- half of the realm freezes, while the other half parches. Continue reading →
The Polar Star, America's only active polar icebreaker, has been dispatched to Commonwealth Bay Antarctica to free a Russian ship stuck in the ice. How do these huge ships work?
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