An Arctic air mass has plunged across North America and parts of Europe, driving temperatures far below freezing and ...

There's a confounding dilemma for many folks trying to make sense of winter weather in the context of climate change.

The possibility of snow in Tampa, Fla. Record heat and fires in Australia. Scientists say climate change is exacerbating ...

A warming Arctic can stretch the polar vortex, a high-altitude air ribbon, one says. The “wobble” can disrupt the jet stream, ...

Last month also ranked as the third-warmest November on record globally. The climate crisis is not a distant threat; it's happening right now and affecting what matters most to us. Hurricanes ...

Decades of advances in satellite observation made it seem as though Arctic snow cover was growing, when in reality satellites ...

These polar bears appear to be maintaining their physical health despite the loss of sea ice—their preferred hunting grounds ...

Climate deniers are quick to say ‘I told you so’ when the mercury drops. But a warmer planet impacts weather in ways that can seem counterintuitive. Record cold temperatures are once again expected to ...

From left to right: Sean Cheng, Anuscheh Nawaz, Aircraft Commander Sarah Cozart and Jiaxu Zhang. A specialized plane, camera and a crew of four are in Alaska to understand the ecosystems of the Bering ...

Greenland’s history and the broader Arctic’s recent conditions belie claims the climate of the Arctic region, including Greenland, is changing in a fashion never seen before and proving anthropogenic ...

Polar bears need ice for their long term survival as less or shrinking ice forces these creatures to travel long distances in ...

Trump’s anti-climate policies have already been damaging to the Arctic and global climate protection. Now his deeply ...