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 ...

Every year, people gather on the banks of the river here to honor those who have died on Alaska waterways. The tradition was ...

Climate change is probably causing dozens of rivers in Alaska to flow orange, and it could have disastrous, cascading consequences on the state’s ecology and rural communities, researchers said ...

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 ...

Those heading up to Alaska for a late spring cruise this week got a heaping dose of weather reality as an atmospheric river brings several inches of rain to one of the most popular ports of call in ...

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.

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.

Alaska's melting permafrost is dumping toxic metals into the state's rivers, turning them bright orange and making the water highly acidic. The contaminated rivers are so vibrant they can be seen ...