Around the same time as the heat starts blasting Phoenix, the polar vortex—a system that usually keeps frigid air penned up near the North Pole—is forecast to send its chill deep into the Midwest and ...

It’s an understatement to say it’s been a very cold winter. And it’s not close to being over. Reviewing our longer-term weather patterns, we are likely in for more freezing days ahead. You can thank a ...

For new readers, here’s a brief overview. The Polar Vortex is a large scale winter circulation over the Northern Hemisphere. Imagine it as a spinning wall of wind above the polar regions, stretching ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Polar bears became the poster child for the peril of climate change for obvious ...

In the face of sea ice loss, some of the bears on the Norwegian archipelago are gaining weight. By Laura Baisas Published Jan 29, 2026 11:00 AM EST Get the Popular Science daily newsletter💡 ...

When news breaks, you need to understand what actually matters — and what to do about it. At Vox, our mission to help you make sense of the world has never been more vital. But we can’t do it on our ...

Rising temperatures and rapidly melting sea ice threaten polar bears across the Arctic. But the bears living 800 miles north of the Arctic Circle have stayed surprisingly fat, researchers report ...

Severe temperatures are expected to dominate most of the country in the coming days, with single-digit temperatures forecast for parts of the Northeast. Overall, temperatures will begin to warm in the ...

Polar bears are the poster children of climate change—and for good reason. These giant bears hunt, mate and spend their days hanging out on Arctic sea ice, which is rapidly disappearing as the climate ...

The finding offers a small window of hope for a polar bear population vulnerable to the effects of climate change. A polar bear (Ursus maritimus) walks on pack ice in Svalbard, Norway. The effects ...

Scientists are solving the mystery of when diverged from their closest relative–the brown bear. By Laura Baisas Published Sep 15, 2024 8:00 PM EDT Deposit Photos Get the Popular Science daily ...