Learn about animals, including the latest animal news, advancements in animal health research and animal photos.
Researchers are not certain how the mass extinction was triggered.
An international group of scientists discovered several new species in a remote Indonesian forest.
Video: Conservationist Damian Aspinall searches for Kwibi, a lowland gorilla he hasn't seen for 5 years.
Vultures have a keen sense of smell and are able to detect the scent of rotting flesh from 3,000 feet in the air.
A 6-year-old pit bull needs two of the little blue pills every day or she will risk heart failure.
Fire destroyed what may be the world's largest scientific collection of dead snakes, scorpions and spiders.
World's strongest animal is a mere 1 millimeter long.
Video: The family dog steps up to nurse a litter of kittens after their mother was hit by a car in San Jose, Calif.
Misunderstood canines have more in common with us than we think.
The unlikely passenger even perched on a ship specially designed to allow people with disabilities to sail.
A new study suggests that the giant squid isn't the T-Rex of the oceans as once thought, but merely a lethargic blob.
Video: Actress thought she saw a new species in the backyard she shares with Ellen DeGeneres. What could it be?
In celebration of Mother's Day and all the lovely things our mothers have done for us — like, not eating us — here’s a rogues' gallery of some of nature's seemingly most sinister mothers.
One of the smallest of its kind in the world, the new species of jellyfish might have tiny gonads, but it displays them proudly.
Video: A disabled dog in Utah shows patients that life goes on.
Eco-entrepreneur on politics, energy and Earth's resources.
Russell blogs about the day's top science and eco-news.