To nail the presentation, NASA brought von Braun, its most celebrated engineer, to do the talking. After all, they were ...

From plastic pollution to melting polar ice, the photographs reveal the harsh reality underpinned by global warming.

Three writers take issue with a recent letter defending ICE, calling agency's tactics disturbing: 'Mothers are being snatched from their children.' ...

The polar bear’s fur is its best camouflage. This is because not only is it disguising the fact that polar bears have black skin, but the translucence of the fur also helps the polar bear blend ...

As sea ice melts, species such as beluga whales and polar bears bear the brunt, losing access to food and their habitats. Image courtesy of Kieran Mclver.

Looking at a polar bear, you'd probably assume its fur is white, but you'd be wrong, as it's really just an interesting trick the light plays.

Polar bears rely on Arctic sea ice to hunt, mate, and survive. Rapid melting threatens their entire way of life and future survival.

A 'human skin teddy bear' found outside a convenience store in California has turned out to be horror art made from latex and is a "prank" amid a police investigation, according to reports.

South Carolina artist Robert Kelly sparked a police investigation after one of his "human skin teddy bear" creations was found outside a convenience store in Victorville, Calif., on July 13.

July is peak black bear mating season. Watch two Asheville bears scuffle and learn what not to do if you encounter a bear in the wild.

Fairfield police in Essex County warned residents about a large black bear that was sighted in township on July 9.