Why ice loss in the Arctic is threatening polar bear populations
After a summer of fasting on land, the bears need to get back to their frozen home to hunt seals and bulk up. But their migration ritual is changing.
Rapid City Journal8h
Polar vortex makes much of US colder than Greenland, but warmth is coming. Then more cold
The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a toasty vacation spot in comparison.
The Alpena News8h
Polar vortex holds icy grip on US
The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a toasty vacation spot in comparison. Even Mars has been warmer than North ...
NASA's Curiosity Mars rover discovers evidence of ripples from an ancient Red Planet lake (images)
Today, we know of Mars as a cold, dry desert, with patches of subterranean ice and ice caps at its poles. Billions of years ...
Old NASA mission reveals an unlikely world harbors an ocean
Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...