Hibernation causes rapid, reversible structural changes in squirrel neurons, offering new avenues for human stroke recovery.

Imagine you’re an astronaut taking a trip into outer space. Only it’s not a short jaunt to the Moon. Instead, your trip will last 120 years. To get there you’d need to drastically reduce your body’s ...

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 ...

For a bear, Brooks Falls at Katmai National Park in Alaska is like one of those conveyor-belt sushi restaurants. During the summer months, diners are treated to a seemingly endless supply of salmon.

We humans have to power our way through the winter, bundling up and worrying about frostbite on the trail. But bears? They just snooze their way through it. Bears have some tried-and-true habits 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 ...

As winter arrives, certain animals adopt a unique survival strategy: hibernation. This deep, energy-saving state allows creatures like the edible dormouse, alpine marmot, and little brown bat to ...

Imagine going to sleep for months at a time and then waking up just in time to land on Mars. Hibernation is second nature to bears and other mammals…but there’s no reason humans can’t do it too.