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 ...

In recent years, the typical purples, blues and greens that color Alaska’s tundra ecosystems have been cut through with an unexpected hue as rivers run orange. The phenomenon was first widely noted by ...

New research suggests the Salmon River is full of toxic metals that are likely harming fish and other aquatic creatures ...

ANCHORAGE, Alaska (AP) — Ice jams that blocked two Alaska rivers broke loose over the weekend, unleashing a surge of ice and water that caused major floods, damaged homes and left behind huge chunks ...

When scientists Patrick Sullivan and Roman Dial were heading to a remote area in the Brooks Range in 2019 to map the spread of woody plants there, they were looking forward to seeing a celebrated ...