The possibility of Siberian tigers in Alaska has fascinated many, with reports of sightings, strange photos, and even alleged attacks circulating over the years. While it's a thrilling idea, the ...

People have lived in Big Sky Country for a little more than 10,000 years. But living things creeped and crawled and swam ...

New research reveals Antarctic sea ice has hit record lows three times since 2017, creating cascading effects on global ...

For years, scientists have debated whether a giant thick ice shelf once covered the entire Arctic Ocean during the coldest ...

A massive and surprising change is unfolding around Antarctica. Scientists have discovered that the Southern Ocean is getting ...

New research challenges the long-held belief that the Arctic Ocean was covered by a massive ice shelf during ice ages.

A salty surge in the Southern Ocean is melting Antarctic sea ice from below — and causing dramatic changes scientists didn’t see coming.

For decades, scientists believed the Arctic Ocean was sealed under a massive slab of ice during the coldest ice ages — but new research proves otherwise. Sediment samples from the seafloor, paired ...

The Great Infra-Cambrian Ice Age There is considerable geological evidence for an extensive glaciation some 600 million years ago.