Climate

Greenland's ice sheet has undergone a stunning reversal in the last 46 years, as a meticulous new study documents.

There's more nuclear fallout trapped in the world's glaciers than anywhere besides disaster sites like Chernobyl, new research finds.

Here's what that shocking, brutal scene from the Netflix nature documentary "Our Planet" really means.

Even if humans manage to prevent further global warming, the glaciers will still lose half their volume by 2050.

We're witnessing a catastrophic shift in our planet's sea ice. Here's what the latest chapter means for you.

The Quaternary period has seen a lot of temperature changes, but none as quick as man-made climate change.

Some Neanderthals resorted to desperate (and gruesome) measures to survive.

New research finds that new Arctic sea ice now usually melts near the coast instead of traveling through the open Arctic Ocean.

As the Arctic warms, sea ice born near Russia is failing to reach the open ocean.

Instead of shrinking, this giant glacier is growing, NASA scientists found.

The decline of an empire was recorded in mounds of trash.

Earth's icy periods may owe their existence to tropical mountains.

The Arctic autumn is getting cloudier. That's bad news.

Carbon dioxide emissions could wipe out one of Earth's most common types of clouds. That's bad news.

When will the end come for the oceans?

Don't eat the black snow.