On a winter day in Northern Canada, the cold feels absolute. Snow squeaks underfoot and rivers lie silent beneath thick ice.

Mountain permafrost is warming and thawing worldwide due to climate change, with ground temperature being a key control of ...

Permafrost can contain the remains of plants and animals, including woolly mammoths and woolly rhinos from the last Ice Age that ended more than 11,000 years ago. As permafrost thaws, that organic ...

At Eielson Air Force Base, military engineers must contend with a problem lurking beneath the ground: permafrost thaw. At Eielson Air Force Base, military engineers must contend with a problem lurking ...

Permafrost is frozen ground — which can include sand, soil, or rocks— that stays frozen for at least two years straight. It can be on land, but it can also be found under the ocean. Some permafrost ...

In the black spruce forests along the Tanana River in central Alaska, scientists Miriam Jones and Merritt Turetsky watched for years as trees tipped, leaned, and toppled into boggy ground. Over time, ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. The 2016 Siberian Anthrax outbreak wasn’t just a freak ...