The earliest ancestor of land-dwelling plant eaters has been found, a new study reports, and there's a surprising fact about the beastie: it was a meat lover.
SpaceX is shooting for another launch attempt Friday to deliver supplies to the International Space Station.
CAPE CANAVERAL, Fla. — One of NASA's most historic launch pads is now under new management.
This month, you can fly along the Gulf of Mexico seafloor and explore a strange ecosystem fueled by chemicals instead of sunlight, all from your computer.
10 ways animals live longer
Mars may possess a stark and austere beauty, but a manned Red Planet mission will likely not be easy on the eyes.
More than a half century has passed since Packy the elephant's newsmaking birth at the Oregon Zoo. He's now a six-ton senior citizen and considered geriatric at age 52.
Herbs and other dietary supplements besides vitamins are the most commonly used type of "complementary medicine" (also called alternative medicine) in the United States,...
More than 100 years after dinosaurs were first displayed on the National Mall, T. rex — the king — is joining the Smithsonian collection after a 2,000-mile journey from Montana.