The Tully monster is likely a vertebrate, a new chemical study finds.
A new Spinosaurus tail fossil shows that this hunter could slice through the water in pursuit of fish, becoming the first-known swimming dinosaur.
The oldest complete mammal fossil from the Southern Hemisphere is puzzling scientists with its mismatched body, strange skull holes and teeth that look like they're "from outer space."
An undercover animatronic gorilla captured astonishing footage of wild mountain gorillas singing while they ate.
When male lemurs want to attract females, they use their tails to whip up a fruity and floral scent cloud that lady lemurs find irresistible.
Researchers popped suction-cup cameras on the backs of baby humpback whales and captured a rare glimpse into the life of a nursing whale.
More baby leatherback turtles are surviving because humans aren't there to disturb them during the coronavirus pandemic.
The sensational human drama of "Tiger King" dramatically downplays how tigers are harmed by unregulated captive breeding in unaccredited zoos.
Underwater explorers found a 150-foot siphonophore — a stringy creature that, like coral or jellyfish, is made up of smaller critters — living in waters off the coast of Australia.
The father and son orangutans have already formed strong bonds with the otters, the zookeepers said.
Gynandromorphy produced a bee with half of its body displaying female features, and the other half of its body showing male traits.
From breathing underwater to surviving radiation and extreme temperatures, some animal abilities are so incredible they might as well be superpowers.
Researchers dated the growth rings inside two whale shark bones using nuclear bomb carbon leftover from the Cold War.
Amber from Australia holds some of the continent's oldest known specimens of preserved plants and animals, and includes a pair of flies trapped while mating.
Seven new species of peacock spider have been discovered in Australia, one of which was named for Vincent Van Gogh's Starry Night
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