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 the ...

Alaska's rivers are turning bright orange, and scientists are working to figure out exactly why. In recent years, scientists have observed streams and rivers that have turned a vibrant orange color ...

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 ...

(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. (CNN) — ...

Across Arctic Alaska, once-clear rivers are shifting to a startling rust color, a visible scar of a warming climate etched into the landscape. What looks like a strange natural dye job is in fact a ...

Dozens of Alaska’s most remote streams and rivers are turning from a crystal clear blue into a cloudy orange, and the staining could be the result of minerals exposed by thawing permafrost, new ...

Add Yahoo as a preferred source to see more of our stories on Google. Arctic rivers flowing through Alaska are increasingly turning orange as wildfires, thawing permafrost and other factors contribute ...

An aerial view of the rust-colored Kutuk River in Gates of the Arctic National Park in Alaska. Thawing permafrost is exposing minerals to weathering, increasing the acidity of the water, which ...