If humanity is to become a spacefaring civilization, we'll need to sort out how to get a lot of sleep in space. After all, with today's technology, it would take around nine months just to get to Mars ...

Hibernating dwarf lemurs can stay in this cold, standby state for about a week before they have to briefly warm up, and ...

A handful of rescued bears in Europe are competing in March Napness, a bracket-style tournament to see what bear can stay in ...

Inspired by March Madness, March Napness is an annual bracket-style tournament where hibernating bears "compete" to see who will remain in hibernation the longest. It is run by Four Paws ...