Here’s how black bear hibernation looks different in places with mild winters.

With the year coming to an end and temperatures dropping in much of the Northern Hemisphere, you might be feeling the urge to gather some loved ones, curl up at home, and laze about doing not much of ...

What animals hibernate? From woodchucks to frogs that actually freeze, learn how these species brave frigid temperatures in the winter. When winter arrives, daylight and food is scarce. Hunkering down ...

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 ...

Hibernation allows animals to conserve energy during winter months. But can humans hibernate, and could it help us reach the far fringes of our solar system? As winter approaches, bears and other ...