Researchers for years have been baffled as rivers and streams across Alaska turned orange, but new research points to climate change as an answer. Scientists suspect the drastic color change is ...

Rivers and streams in Alaska are changing color – from a clean, clear blue to a rusty orange – because of the toxic metals released by thawing permafrost, according to a new study. The finding ...

An atmospheric river that transported immense amounts of water vapor from the tropics to Southcentral Alaska in November ... If you were to study weather maps of the entire Earth today, you ...

An ecological nightmare is unfolding in the largest US state by land area, Alaska as several of its rivers turn bright orange. The alarming sight, which is also visible from space, is a matter of ...

(CNN) — Rivers and streams in Alaska are changing color – from a clean, clear blue to a rusty orange – because of the toxic metals released by thawing permafrost, according to a new study.

Toxic metals released by melting permafrost are staining Alaska's rivers bright orange and making them highly acidic. This section of the Kutuk River in the Gates of the Arctic National Park looks ...

The above image isn't a heat map, despite its bright colors. Instead, it's a photograph of Kutuk River in Gates of the Arctic, a vast national park in the remote northern region of Alaska.