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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Alaska's rivers are turning bright orange, and scientists are working ...

A map produced by Alaska’s Public Access Assertion and Defense team showing what the state describes as areas of conflict over the navigability of rivers and lakes in the Lake Clark area, west of ...

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 ...

Across Arctic Alaska, once-clear rivers are shifting to shades of pumpkin, rust and even blood red, a startling visual proof that thawing ground is spilling buried minerals into the water. What looks ...

In the summer of 2019, ecologist Patrick Sullivan and a Super Cub plane pilot navigated over the narrow valleys of the Brooks Range in northern Alaska, winding toward the remote headwaters of the ...

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Permafrost is often described as frozen soil, but that undersells its role. It is more like a long-term storage vault for minerals, organic material, and sulfide-rich rocks. When it stays frozen, ...

It was a cloudy July afternoon in Alaska's Kobuk Valley National Park, part of the biggest stretch of protected wilderness in the U.S. We were 95 kilometers (60 miles) from the nearest village and 400 ...