Learn about animals, including the latest animal news, advancements in animal health research and animal photos.
South America's Tegu lizard is the latest invasive species to cause problems in the state of Florida.
Chimps in Tanzania have taken toolmaking to a whole new, kinky level.
Changing climates and increased deforestation result in a dwindling population of Africa's signature animal.
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.
Eco-entrepreneur on politics, energy and Earth's resources.
Russell blogs about the day's top science and eco-news.