Learn about animals, including the latest animal news, advancements in animal health research and animal photos.
This sea slug gains the photosynthesizing power of the algae that it eats, allowing it to live for a time like a plant.
These personalities help cockroaches make important decisions, namely who gets the food.
Sea otters have the thickest fur of any mammal, so aim high with your guess.
Mitu Monteiro risks injury on rocks off Sal Island in Cape Verde, Africa to save the trapped loggerhead turtle.
The new study is just one more finding confirming the importance of social learning among chimps.
Lolita, a wild-caught whale that has lived at the Miami Seaquarium for 40 years, may be one step closer to leaving her small enclosure.
Photographer redefines patience to capture extraordinary images, and demonstrates a thing or two about ethical wildlife watching along the way.
Facial hair differences among a certain group of monkeys may be critical for maintaining social relationships between individuals and the social group.
This young bear could become the leader of Alaska's welcoming committee.
Only discovered in 1976, the megamouth shark is one of a kind, scientifically speaking.
Animal therapy programs show that hens can reduce loneliness, especially in the elderly.
An exclusive look at how the cast and crew respectfully worked with a live alligator on set.
PBS series tells inspiring stories of the interactions between humans and nature.
Lowland marmots face an incredible amount of pressure on Feb. 2. Just ask Jimmy the Groundhog of Sun Prairie, Wisconsin.
These night fliers are creatures of myth and mystery. And yet they're an invaluable part of ecosystems worldwide. Test your knowledge of these fascinating creatures.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.