New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

The European-led LIFE mission aims to use spacecraft in formation to look for biosignatures.

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...

With 'Disclosure Day,' the director returns to a longtime preoccupation. Two Times staffers explore his ongoing fascination with extraterrestrials.