Permafrost and ice wedges have built up over millennia in the Arctic. When they thaw, they destabilize the surrounding landscape. Michael Robinson Chavez/The Washington Post via Getty Images Across ...

The frozen ground beneath our feet holds secrets from thousands of years past. These permanently frozen soils, known as ...

New ways to measure thawing permafrost could help us understand its potential impacts on infrastructure, military outposts, and communities.

Permafrost thaw can stimulate the release of soil carbon, triggering a positive carbon-climate feedback that may be mediated ...

In the Arctic tundra of Alaska, climate change is forcing an Alaska Native village to relocate. Rising temperatures are melting the underground permafrost. The melted ice then mixes with the soil, ...

The accelerating thaw of permafrost due to climate change could dramatically increase the risk of wildfires in Arctic and subarctic regions, according to new research published in Nature ...

The permafrost capping the top of the world is irreversibly thawing and within two decades will release more carbon than it now absorbs, scientists calculate in a new study that makes this dire ...

JUNEAU, Alaska (AP) — A fragment of a mask that was preserved for hundreds of years in permafrost sat in the muck of a low ...

In the vast white expanse around Churapcha in eastern Siberia, the ever more rapid thaw of the permafrost is changing the landscape, cracking up houses and releasing greenhouse gases. A growing number ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

A local resident stumbled upon the remains of the 19,700-year-old beast. Its record-breaking horn offers new insights into ...