Learn about animals, including the latest animal news, advancements in animal health research and animal photos.
New book called 'The Animal Review' grades animals on reproduction, superhero traits and even the coolness factor.
The bald eagle is finally making a comeback -- but it could create new problems for other endangered species.
Birds, fish and other animals that are most likely to feel the effects of the disaster.
Video: After several days of worry, a Vermont man's stolen 115-pound tortoise is returned unharmed.
Video: Meet Darius, the Guinness Book record-holder for the world's largest rabbit. Owner Annette Edwards shows off the giant continental bunny that measures more than 48 inches from nose to feet and is insured for $1.5 million.
April's faces: The best animal images of the month.
What better way to raise money for animal rights groups than a gigantic music festival?
Video: Woman creates YouTube hit with her dog to promote green living.
Humans carry their babies for nine months, but imagine what your mother would have to endure if she were one of these animals!
If you're using certain household cleaners, it could be the reason your pet thinks your rug is the litterbox.
Urban birds cause property damage as population explodes.
Video: The Sedgwick County Zoo in Wichita, Kan., euthanizes four baby owls minutes before a rescue agency arrived to take custody.
These animals hold deathbed vigils and comfort the dying, revealing a finely developed awareness of death.
Video: Is Einstein -- a miniature pinto stallion that weighed 6 pounds when he was born 3 days ago -- the world's smallest horse?
Wisconsin woman rescued a dozen ducklings from a dangerous road after another driver hit and killed their mother.
Eco-entrepreneur on politics, energy and Earth's resources.
Russell blogs about the day's top science and eco-news.