From the first photographer star to the discovery of alien worlds, these night sky targets mark some of astronomy's greatest ...

A fictional theory created by H. P. Lovecraft ended up changing 2001: A Space Odyssey - and the world.

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

Earth is dotted with humongous, human-made structures that, to an alien eye, may be tell-tale signs of intelligent goings-on.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The SETI Institute's Allen ...

TV has taught us many important lessons about aliens. They are either here to observe us, replace us, eat our cats, or gently judge our emotional intelligence while wearing a bathrobe. Sometimes all ...

One day, probably far off in the very distant future, if astronomers are correct in their assumptions about the vastness of space, Earth will be visited by intelligent beings from another planet.