The color change, driven by hormones, seems aimed at preventing males from accidentally mating with each other.

An enzyme in the blue blood has been key to testing vaccines since the 1980s, raising concerns for the crabs’ population. But ...

Gates of the Arctic might be North America's most remote national park, but it's home to some extraordinary animals.

As the planet warms, strange new animals are emerging in unexpected places. These creatures might look like they have come ...

For three days I had been watching for caribou from behind a spruce-tree lookout not far from my cabin on Savage River, on ...

Animals that migrate in winter embark on epic, long-distance journeys for survival. Discover 5 famous migratory animals and the reasons why animals migrate to warmer climates.

From mountain ridges to ocean bays, Wrangell–St. Elias National Park is a living sanctuary for Alaska’s wild heritage. Here, caribou trace ancient paths, bears follow salmon-filled streams, and birds ...

Reindeer conjure joyful images of Santa Claus, Christmas, and Rudolph, but the truth about these cold-weather animals is much ...

The Asian water buffalo holds the world record for the longest horns, with a spread of nearly 14 feet. This list also ...

MADRID – Spanish police on Oct 11 said they made an arrest after finding 250 dead animals, mostly dogs, in a filthy warehouse that local media dubbed “the breeding ground of horror”. The Civil Guard ...

Oct. 11 (UPI) --A hidden breeding facility in Spain was found to contain the remains of 250 animals and 171 live animals that were endangered and recovered to receive veterinary care. The illicit ...

Spanish police on Saturday said they made an arrest after finding 250 dead animals, mostly dogs, in a filthy warehouse that local media dubbed "the breeding ground of horror." The Civil Guard said the ...