The Arctic of today looks stunningly different from the Arctic of even one to two decades ago. Over the Arctic Report Card’s ...

Commentary authors write of the Arctic Report Card that gases released by wildfires and thawing tundra add to human-produced ...

Wildfires and thawing permafrost are causing the Arctic region to release more carbon dioxide and methane than its plants ...

The Arctic can feel like a far-off place, yet the changes underway in the Arctic as temperatures rise can profoundly affect lives around the world.

For millennia, the tundra regions of the Arctic drew in carbon from the atmosphere and locked it in permafrost. That is the ...

Arctic Report Card, 97 scientists from 11 countries, with expertise ranging from wildlife to wildfire and sea ice to snow, describe the rapid changes they’re witnessing across the Arctic and the ...

The news that the frigid Arctic tundra ringing the polar region has switched from being a net absorber, or "sink," of ...

The Arctic tundra has historically helped reduce global emissions. But rising temperatures and wildfires in the region are ...

Humans and other animals such as mammoths and bison could cross short stretches of wetland, but hundreds of kilometers were probably a different matter Consequently, the team is confident higher ...

The shift from storing carbon dioxide to releasing it could have widespread implications for climate change, according to ...

Arctic tundra is releasing greenhouse gases into the atmosphere as hotter temperatures melt frozen ground and wildfires ...

A pivotal history of Earth lies submerged beneath the Bering Sea.