Winner of the Sundance U.S. Documentary Competition’s Grand Jury Prize, Jack Weisman and Gabriela Osio Vanden’s film is both a nature doc and a haunting ethnographic portrait.

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 ...

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 ...

A hundred years ago this week, at the height of the quantum revolution, Austrian physicist Erwin Schrödinger submitted a manuscript for publication. Its centerpiece was an innocuous-looking equation ...

The polar vortex collapsed, and severe temperatures are set to dominate most of the country in the coming days. Single-digit temperatures are forecast for much of the Northeast, and subzero ...

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest, Mid-Atlantic and Southern U.S. are expected to see below-freezing ...

The Omaha Polar Plunge is back—and it's bigger and colder than ever. This high-energy winter tradition brings hundreds of courageous participants to Lake Zorinsky to jump into icy waters, all in ...

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ST. LOUIS – The Saint Louis Zoo said goodbye to one of its polar bears, Kallik, last week as he moved across the country. The polar bear’s move was announced back in September, and Kallik is now ...

This week, New Jersey is set to experience temperatures below 10 as a shift in the polar vortex is letting Artic air slip south. Tuesday, Jan. 20 and Saturday, Jan. 24 are forecast to be the coldest ...

It’s time to dry those Nora-based tears: The Oregon Zoo has a new polar bear, and this one is going to be big. Kallik is a 3-year-old from the St. Louis Zoo, and he’s already making himself at home in ...

A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. The polar vertex is a large area of low pressure and cold air that sits over Earth's poles. Middle ...