The Arctic Ocean, once locked in a vault of thick, old ice, now is transforming at lightspeed. Temperatures there are ...

The melting of Arctic ice has been one of the most profound ripple effects from climate change, an impact often depicted with images of a lone polar bear stranded on a dwindling piece of sea ice. Now, ...

Melting Arctic ice is revealing a hidden world of nitrogen-fixing bacteria beneath the surface. These microbes, not the usual ...

Rising temperatures are melting the Arctic ice, opening new shipping routes and prompting world powers to jostle for access and control. In January, China announced intentions to establish a permanent ...

Three Arctic seal species have moved closer to extinction, as rapid sea ice loss continues to erode their breeding and ...

You have probably heard that the Arctic has less sea ice right now than humans have ever recorded. The new record, set yesterday, beat the previous low, which was measured in September 2007. "By ...

"The Arctic is changing faster than anywhere else on the planet, so the question we’re trying to ask here is: Is the Arctic going to change fast, or really fast?" NASA's most ambitious Arctic voyage ...