Science News

Astronomers have detected the smallest alien planet yet to be directly photographed by a telescope on Earth, a methane-shrouded gas giant much like a young Jupiter. The planet 51 Eridani b orbits a star 96 light-years fr...

Experiments in the chamber could answer these five questions --

Until the end of the last ice age, American cheetahs, enormous armadillolike creatures and giant sloths called North America home. But it's long puzzled scientists why these animals went extinct about 10,000 years ago.

Giving patients more control may prove a critical fix for the U.S. health care system.

Vitamin K can save your baby's life, do not refuse the shot.

Are vitamin E supplements risky? For most of us, the answer may be yes.

The moon posed no obstacle as the Perseid meteor shower peaked last night, giving skywatchers the best views of shooting stars in years -- even in areas that normally have too much light to see a thing. And the show will...