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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 ...

Near Toolik Field Station in northern Alaska, an arctic ground squirrel pokes its head out of a burrow. Credit: Oivind Toien/University of Alaska Fairbanks Near Toolik Field Station in northern Alaska ...

Arctic ground squirrels are unique among mammals. Their ability to keep from freezing even when body temperatures dip below that mark on the thermometer enables them to survive extreme winter climates ...

As Alaskan permafrost warms, hibernating arctic ground squirrels generate less heat, causing females to emerge from hibernation up to 10 days before their male counterparts – a mismatch that could ...

NEW YORK, Feb. 9 (UPI) --A University of Alaska researcher is studying the effects of an experimental drug in hibernating Arctic ground squirrels, with the goal of one day helping astronauts survive ...

An Arctic ground squirrel survives brutal winters by entering a deep hibernation. Its body temperature plummets to below freezing, and its heart rate slows dramatically. Remarkably, the squirrel wakes ...

Researchers are studying hibernating Arctic ground squirrels with the goal of harnessing the benefits of this odd natural state to protect astronauts' health on long-duration space missions.

Rapid changes in Arctic temperatures are influencing animal reproductive behavior. A University of Alaska Fairbanks scientist published a study in the current edition of Science magazine, building on ...