When animals nod off, they're most vulnerable to sneaky predators. But despite the risks, the need for sleep is so strong ...

From napping half their brain while flying to taking four-second naps to survive parenthood, these animals have evolved ...

In a year that has been filled with plenty of doom and gloom, our furry friends have been a constant source of comfort and ...

The Capitals were the best regular-season team in the East last season and they held a playoff position through Monday's ...

Thirty years ago, astronomers weren’t sure planets beyond our solar system even existed. This year, NASA has confirmed its ...

The Everglades is the largest stretch of undeveloped land in the easter U.S., and the area is literally crawling with beasts of all sorts, sizes ...

Animal attacks at zoos are incredibly rare. According to various safety and animal welfare organizations, more than 10 ...

The longer I spend in Madagascar, the harder I find it to keep my bearings, stick to the matter-of-factness of global ...

Female Asian elephant Bani was injured in a train collision at 9 months old. Over a year later, she's celebrating Christmas ...

Amazon’s Super Saturday sale has last-minute holiday gifts under $25. Shop Christmas presents, stocking stuffer ideas, and ...