This mysterious group of animals fascinates people of all ages.
On International Polar Bear Day, let's celebrate the largest of the bear species with these magnificent polar bear photos.
Enormous and powerful coconut crabs are known for their extreme size. They also have an unexpectedly diverse "vocabulary."
A genomic analysis of the creepy parasite H. salminicola reveals that the creature has no mitochondrial DNA and no way to breathe — two animal firsts.
Paleontologists found peculiar cavities in the tailbones of a duck-billed dinosaur, suggesting that it suffered from tumors caused by Langerhans cell histiocytosis.
Spring is the annual mating season for water snakes in Florida. This year, lakegoers saw so many coiled couples that the state's parks department had to shut down part of the area.
No one knows how consciousness works in the brain, but a team of neuroscientists seems to have found an engine that keeps it going.
Photos of a bright pink manta ray have gone viral after the Pepto-Bismol-colored creature was spotted swimming near Australia’s Great Barrier Reef.
Scientists studying Madagascar's aye-aye just discovered a sixth tiny digit called a pseudothumb on each of its hands.
Why did these male turtles have horned shells? Likely to protect their heads during fierce combat, a study finds.
The epic photo 'station squabble,' which shows two mice grappling over a scrap of food, has won the people's choice award for London's Wildlife Photographer of the Year competition.
Lightning strikes kill wild animals relatively often, but the deaths of four rare gorillas represent a huge loss for the species.
In today's episode of Life's Little Mysteries, we'll take a closer look at some of the mysteries surrounding one of our closest animal companions: dogs.
Harley Quinn has a hyena friend in the movie "Birds of Prey," but even without supervillain sidekicks, hyenas are super-awesome.