The unusual creature's eyes may have moved to make room for its massive canines.
Are these real deep-sea wildlife photos or computer-generated aliens?
The first alleged goblin shark documented in the Mediterranean Sea has drawn suspicion from marine biologists and others.
These creatures might have disappeared forever, if not for some last-ditch conservation.
When you think of fossils, bones may be the first image that comes to mind. But for paleontologists, trace fossils like these can be even more exciting.
These 21 photos earned the top spots out of more than 13,000 submitted to the competition.
Researchers believe the behavior could be a clue to why humans seek out altered mental states.
New research reveals some surprising facts about these notoriously venomous spiders.
Macaques in Thailand produced stone flakes while cracking nuts—a finding that could change what we thought about human history.
Nocticola pheromosa is thought to be the first bug of its kind discovered in Singapore.
An exotic wild cat found with cocaine in its system in Cincinnati was rescued in January and is now safe and sound at the local zoo.
Over 12 years, researchers mapped all of a larval fruit fly's brain, charting 3,016 neurons and 548,000 connections. It's big news for neuroscience.
A 20-year-old alligator was returned to a Central Texas zoo where it was stolen as an egg by a volunteer.
Mice given a dose of the hormone FGF21 recovered much faster, researchers found. They think it could be used to treat alcohol poisoning in people.
Scientists spotted an orca raising a whale calf. It's either a heartwarming adoption tale or a case of cetacean abduction.
The 1986 nuclear accident led to distinct genetic changes in feral dogs and their descendants living in the exclusion zone, a study found.
Meet the "endlings"—the final individuals known to science before a species went extinct.
The proposed the Greenlink West transmission line in Nevada would run through a site filled with mammoth and saber-tooth cat fossils.
A robotic elephant was donated to the Sree Krishna Temple in India to protect wild animals from captivity and unnecessary cruelty.
A giant lacewing hadn't been collected in the eastern U.S. for more than 50 years—until a scientist stumbled upon a specimen at a Fayetteville Walmart.
