For 40 days last fall, an expedition collected samples that confirm the thaw of the Arctic’s mysterious subsea permafrost.
The Laptev Sea in Siberia is normally an "ice factory," but hasn't frozen yet in October for the first time on record—a dire warning of the effects of climate change.
Milne Ice Shelf lost an area larger than the size of Manhattan and two resulting islands are now dangerously floating in the ocean, scientists say.
Critical parts of Antarctica's Ross Ice Shelf are eroding due to solar heating of surface waters.
"Daily life is in turmoil."
ICESat-2 will collect 250 times as many elevation measurements as its predecessor, ICESat.
Bloggers use the plight of polar bears to peddle misinformation about climate change, a new study found.
Meanwhile, it's snowing in Rome.
The sun won't rise at the North Pole for nearly a month, and yet you could still walk around there with just a normal winter coat.
A biologist caught a devastating glimpse of the effects of climate change on camera: A starving polar bear scavenging fruitlessly for scraps of food on dry land.
“We’re still trying to figure out what’s going on.”