Hottest year on record,” “Hottest decade ever,” “Earth enters uncharted climate territory.” The repetition has become so ...

New studies show how algae grows on ice and snow, creating “dark zones” that exacerbate melting in the consequential region.

Polar bears can struggle to adapt to climate change. Bears on Svalbard may be surviving on land prey and seals — but scientists warn it may not last.

The historian Adam Tooze discusses Davos, China and the fading of an old world order.

Add Yahoo as a preferred source to see more of our stories on Google. ICE and other federal officers stand at a Minneapolis intersection where protesters had gathered after the death of Renee Good ...