In western Siberia, a rare kind of gas explosion is carving deep, near vertical craters in the tundra. Some of these massive ...

The writer John McPhee once described Alaska’s Salmon River as having “the clearest, purest water” he’d ever seen. Today, ...

Researchers found that ice can trigger stronger chemical reactions than liquid water, dissolving iron minerals in extreme ...

Permafrost conditions are often heterogeneous and concealed beneath the surface, becoming evident only when thawing occurs ...

Scientists warn warming permafrost is a tipping point: alpine sinks weaken, Arctic plants thrive, and methane and nitrous oxide climb.

Researchers in Oslo found that the origin of the giant holes in Siberia is not caused by climate change and permafrost thaw ...

Ice can dissolve iron minerals more effectively than liquid water, according to a new study from Umeå University. The ...

Ice does something unexpected to dissolving iron—and it could help explain the Arctic’s strange orange rivers.

The Auditor General is determining whether three major departments are taking steps to protect federal assets from climate ...

Arctic rivers are turning rusty orange as warming triggers freeze-thaw cycles that dissolve iron minerals in permafrost, releasing metals into waterways and threatening fragile ecosystems.