Animals that hibernate for the longest periods are surprising. Learn what animal hibernates the longest, why animals ...

Visible in the entrance to their den are a mother black bear, who has been sedated, and her female cub. Scientists are watching to see how bears will tweak their hibernation habits as the climate ...

An apex predator, doting mother, and winning survivalist — bears are known for it all. Eight species of this animal exist throughout the world, all of which are found in North and South America, Asia, ...

Every spring, as days in the north stretch longer and melting snow trickles into streams, drowsy animals ranging from grizzlies to ground squirrels start to rally from hibernation. It’s tempting to ...

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 ...

The days are getting shorter, the temperatures are dropping. Numerous animals are migrating south, others are seeking their ...

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Peter Stenvinkel receives funding from Astra Zeneca, Fresenius, Baxter, Novo Nordisk, Bayer, Invizius, Vifor for lectures and scientific advisory boards When the cold and dark winter is setting in, ...

For people who aren't fans of winter, animals that hibernate seem to have the right idea: It's the equivalent of burying your head under the covers until spring comes—isn't it? Not quite. Read on for ...