In coordination with the Alaska Department of Transportation ... the agency said in its statement. The Arctic Circle sign is about 200 miles northwest of Fairbanks.

A major collection of more than 50 bird fossils found in northern Alaska suggest some ancient ancestors of modern birds ...

But during the Late Cretaceous period, northern Alaska was a different kind of wild. Located far above the Arctic Circle, it endured months of winter darkness and freezing temperatures—even as ...