Cutting-edge technology is helping researchers collect and analyze whale communication.
Scientists from the Wildlife Conservation Society are trying to help wolverines find a new foothold in the rugged terrain of the Colorado Rockies.
Lemurs include a diverse group of primates, from sun-worshipping ring-tailed lemurs to the peculiar, nocturnal aye-aye.
Scientists using sound recordings from underwater nuclear bomb detectors have discovered the distinct song of a previously unknown population of pygmy blue whales in the Indian Ocean.
Most marine creatures get their meals in the water, but snowflake moray eels have a strange adaptation that lets them grab and swallow prey on land, too.
The largest dinosaur from Australia was as long as a basketball court and taller than a two-story building.
Whale watchers in British Columbia recently witnessed a group of transient orcas attacking a humpback mother and calf in a rare encounter between the two species. But what really happened?
Arctic ice dating to 24,000 years ago held frozen microscopic animals called rotifers. Scientists just brought them back to life.
A mummified frozen cat, baby mammoths, an ancient bison and a young foal are just some of the amazing creatures nature has trapped in time.
Here are 5 of the most famous prehistoric creatures found preserved in the frozen depths of Siberia.
About 90% of sharks disappeared from the ancient oceans in less than 100,000 years, but it's unknown why.
Suction in elephants' trunks is more powerful than scientists thought, about 30 times as forceful as the expulsion of air during a human sneeze.
Scientists cataloging tree frogs in New Guinea stumbled across a never-before-seen 'chocolate frog' with brown skin and adorable eyes.
A giant tortoise in the Galápagos Islands that was thought to have gone extinct over a century ago just came out of hiding.
Conservationists have confirmed the birth of seven wild Tasmanian devil joeys in mainland Australia for the first time in 3,000 years.
Biologists recently caught a 7-foot-long sturgeon in the U.S. but there are much bigger fish lurking in Earth's rivers. What's the biggest freshwater fish in the world?