Grey squirrels, or Eastern grey squirrels, primarily live in the Eastern half of the U.S. and southern Canada. There is also a healthy population in the U.K., where they were imported in the 19th ...

When arctic ground squirrels hibernate for the winter, they can lower their body temperatures to freezing levels and stay dormant for up to eight months. Researchers at the University of Alaska ...

When arctic ground squirrels hibernate for the winter, they can lower their body temperatures to freezing levels and stay dormant for up to eight months. Researchers at the University of Alaska ...

A new study from the University of Alaska Fairbanks uncovers how arctic ground squirrels recycle nutrients to stay healthy during their long hibernations. Sarah Rice is the lead author of the paper ...

Arctic ground squirrels are such adept hibernators that they can remain in their slumber for up to eight months by slowing their metabolic system down so greatly that they only need to breathe once ...

It's the happiest time of the year — Fat Bear Week! This year's event takes place from Sept. 23-30, and Mashable will be following all the ursine activity. Katmai National Park and Preserve’s brown ...

You know that moment when you’re minding your own business… and a squirrel launches itself across two branches like it’s auditioning for Mission: Impossible? Yeah. Same. Squirrels are basically fluffy ...