The dramatic shift is a warning sign—and scientists say the changes that aren't yet visible to the naked eye are just as ...

In the wild, remote expanse of northern Alaska, rivers that once shimmered with crystal-clear water are now taking on a disturbing orange hue. At first glance, it might seem like the kind of pollution ...

Researchers have long believed that frozen environments slow chemical reactions, but new research challenges this belief. In a study published last month in the journal PNAS, researchers have ...

Research coming from the Institute of Arctic and Alpine Research at the University of Colorado Boulder incorporated Indigenous knowledge into their research The North — including the Yukon and Alaska ...