Fruit flies live significantly longer when the activity of the protein p53 is reduced in just 14 insulin-producing cells in their brains, new research shows. The results put scientists one step closer to understanding caloric restriction, a biochemical process proven to slow aging.

Finding of quill knobs on fossilized velociraptor bone demonstrates that even large dinosaurs were feathered and may have descended from animals capable of flight. Scientists have known for years that many dinosaurs had feathers. Now the presence of feathers has been documented in velociraptor, one of the most iconic of dinosaurs and a close relative of birds.

After tossing WiFi start-up bids for exclusive control of fallow spectrum, federal regulators want public input on how to proceed. Will a new fight over "open access" rules emerge?

NASA holds two-day conference to look at the last--and next--50 years in space exploration.

Exploring life in the North Atlantic Ocean at various depths of 800 to 3,500 meters, 31 scientists are returning from a five-week scientific expedition which has surfaced a wealth of new information and insights, stunning images and marine life specimens, with one species thought to be new to science. The team will arrive in Scotland Aug. 18 following the expedition along the Mid-Atlantic Ridge between Iceland and the Azores aboard the RRS James Cook.