In today's video, we will be examining several of the most prominent sabre toothed cats who lived on the grasslands of the ...

Gray whales, a signature of the Washington coast, are dying by the thousands, victims of declines in Arctic sea ice.

Fifty thousand years ago, North America was home to towering giants. Mammoths roamed the tundra, saber-toothed cats hunted in ...

Satellite data reveal a link between the amount of black carbon in the atmosphere and rates of Antarctic sea ice loss in recent years.

Looking for blind cavefish in San Luis Potosí, biologist Luis Espinasa and his team accidentally found the remains of giant ...