'Racing Extinction' sounds the alarm on Earth's disappearing species
November 30, 2015, 8:55 a.m. by Gerri Miller
Filmmakers behind 'The Cove' turn spotlight on habitat loss and the role of humans.
10 national animals that are rare, unusual, endangered or completely nonexistent
November 30, 2015, 7:32 a.m. by Matt Hickman
Why shouldn't a unicorn hold such a lofty national position?
An intimate look at Yellowstone's most famous grizzly mama
November 30, 2015, 6:32 a.m. by Jaymi Heimbuch
Explore the life of bear 399 and her cubs through the images of Tom Mangelsen.
Puma returns to rain forest after 20 years in chains
November 24, 2015, 7 a.m. by Russell McLendon
A new video captures the elderly cat's first moments of freedom in an Amazon forest reserve.
Bid farewell to Nola, one of the last northern white rhinos on Earth
November 23, 2015, 2:51 p.m. by Catie Leary
Hope for a critically endangered rhino species grows bleaker as animals lovers around the world mourn the death of Nola, one of the last northern white rhinos.
Weird sea mollusk has eyes made of armor
November 20, 2015, 9:06 a.m. by Stephanie Pappas, LiveScience
Despite the hard-shelled eyes, the tiny chinton can make out the blurry shapes of predators.
World's weirdest slug is shaped like a fish and glows in the dark
November 19, 2015, 9:18 p.m. by Bryan Nelson
Phylliroe is a type of nudibranch, or sea slug, that has evolved to look and swim like a fish. And that's not the only weird thing about it.