Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

Will Smith, Jeff Goldblum, Bill Pullman, and Vivica A. Fox star in the iconic film, which hit theaters July 3 1996.

For centuries, religious traditions like Catholicism have viewed extraterrestrial life as a valid theological topic rather than a contradiction, openly discussing the concept for generations.

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...