A new study of bones from the Grand Canyon reveals that this steep, rocky landscape was once a hunting ground for the extinct American cheetah.
Scientists recently discovered fossils in Argentina that belong to Thanatosdrakon. The specimens are the largest pterosaurs ever found in South America.
Reference Starring in mythological origin tales, axolotls are threatened salamanders that may hold the key to regenerating body parts in mammals.
Camels' large, leathery mouths can handle the prickly thorns of almost any kind of desert vegetation, including that which other desert animals steer clear of.
Triops, commonly called tadpole shrimp or dinosaur shrimp, belong to an ancient group of freshwater crustaceans and live in temporary pools.
Asian elephants, like their African cousins, seem to mourn their dead, sometimes carrying their lost infants for days or weeks.
Cats may be able to remember the names of cohabitating cats — but it depends where they live, new research suggests.
Resembling an alien shopping bag with guts made of glowing Cheetos, a bizarre creature took center stage in new footage captured by a remotely operated vehicle deep in the Pacific Ocean.
Reference Ichthyosaurs, marine reptiles that resembled dolphins and could rival blue whales in size, coexisted with dinosaurs.
A new species of glass frog has been named by a cryptocurrency organization, triggering concern over the high environmental cost of crypto.
The difference between a frog and a toad is mainly skin-deep. Here's how to tell the amphibians apart.
When food starts running low in wasp larvae nurseries, the babies resort to cannibalism in order to survive.
A rare skeleton of the dinosaur Deinonychus, the species that inspired the Velocirators in the movie "Jurassic Park," just sold for $12.4 million at auction.