Permafrost is the frozen mix of soil, ice, and rocks that occupies nearly a quarter of the land in the northern hemisphere.

The remnants of Typhoon Halong scattered artifacts from an archaeological site along the shore of the Bering Sea.

A year of searching ends on a Montana mountainside as we track down a rare Komatsu D355A. In single-digit temps we battle ...

The dramatic shift is a warning sign—and scientists say the changes that aren't yet visible to the naked eye are just as ...

For three decades now, I have watched Earth warm—not through headlines or politics, but in my own data. Every year, the ...

A Yup'ik community near the Bering Sea in southwest Alaska was spared the widespread devastation other communities ...

As Typhoon Halong swept through western Alaska, it laid bare how centuries-old policies made Native villages particularly ...

Bill Gates is advocating for a ‘strategic pivot’ away from the obsession with reducing emissions - Bennett Raglin/Getty/New ...

Thawing permafrost has released so much methane into Esieh Lake near Fairbanks, Alaska that the air above it is flammable.

The Yup’ik community was spared the widespread devastation wrought by the remnants of Typhoon Halong on its neighbors further ...

The city’s new leader will have to contend with preparing for deadly floods, rising electricity costs and the future of an ambitious energy efficiency program.