A French and an American astronaut floated outside the International Space Station Friday on a successful spacewalk to upgrade the orbiting outpost for the arrival of future space crews.
Tyrannosaurus Rex and his buddies could be on the move as a new study proposes a massive shake-up of the dinosaur family tree.
Feel down about getting older? Wish your life was better? Worried about all the problems that come with age?
The U.S. Navy is enlisting the help of seals -- but not the kind of highly trained special operatives with whom it usually associates.
Facebook is prohibiting developers from using the massive amount of data it collects on users for surveillance. This includes using such data to monitor activists and protesters.
Twelve-year-old Janet Sylva of Gambia wants to be a doctor when she grows up, she says with a broad grin -- one that surgeons in New York gave back to her after removing from her mouth one of the largest tumors they'd ever seen.
Few games have enjoyed both the meteoric rise -- and subsequent fall -- in popularity as "Pokemon Go."
George A. Olah, whose work won a Nobel Prize in chemistry and paved the way for more effective oil refining and ways of producing less-polluting forms of gasoline, has died at age 89.
Eating like a caveman meant chowing down on woolly rhinos and sheep in Belgium, but munching on mushrooms, pine nuts and moss in Spain. It all depended on where they lived, new research shows.
Maybe the CIA is spying on you through your television set after all.