sea ice
Scientists in the Arctic's 'Ice Factory' Found a Worrying Sign of Climate Change
For 40 days last fall, an expedition collected samples that confirm the thaw of the Arctic’s mysterious subsea permafrost.
Arctic Sea Ice Isn't Freezing In October for the First Time on Record
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.
Canada's Last Intact Arctic Ice Shelf Just Collapsed
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.
World’s Largest Ice Shelf Is Melting 10 Times Faster Than Expected
Critical parts of Antarctica's Ross Ice Shelf are eroding due to solar heating of surface waters.
Dozens of Polar Bears Overtake Russian Island and Cause State of Emergency
"Daily life is in turmoil."
NASA Will Measure Polar Ice Cover Down to the Centimeter with Lasers From Space
ICESat-2 will collect 250 times as many elevation measurements as its predecessor, ICESat.
Starving polar bears are now the “poster species” for climate change deniers
Bloggers use the plight of polar bears to peddle misinformation about climate change, a new study found.
It's the Middle of Winter and the Temperature at the North Pole Is Above Freezing
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.
Watch a starving polar bear rummage through trash for food because of climate change
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.
A Giant, Mysterious Hole Has Opened Up in Antarctica
“We’re still trying to figure out what’s going on.”