Two small dinosaurs with bat-like wings, Yi and Ambopteryx, couldn't take the air as well as birds.

Crickets, katydids, and grasshoppers have been singing the same tune for more than 300 million years, a new study shows.

Have manatees been visiting Texas for thousands of years, or did an ancient population of ice age manatees once call Texas home?

Have manatees been visiting Texas for thousands of years, or did an ancient population of ice age manatees once call Texas home?

New findings suggest that "entering into a hibernation-like state is not a relatively new type of adaptation. It is an ancient one."

New research looking at fossil pollen samples serves "as a dire warning about the vulnerability of natural systems to extinction."

Researchers may have finally solved the mystery of where Tanystropheus, a bizarre reptile with a giraffe-like neck that lived 242 million years ago, lived.

Scientists have identified a new species of tuna-shaped reptiles called ichthyosaurs, one called Hauffiopteryx altera.

"It's pretty much the best, worst-known dinosaur. Until this study, nobody knew what Dilophosaurus looked like or how it evolved."

"It is from an animal the size of a large dinosaur, but it is completely unlike a dinosaur egg."