Why now?: Tyson’s call comes after the U.S. released more than 160 UFO-related files, sparking renewed public interest in extraterrestrial life. Preparedness as exercise: He frames alien readiness as ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist ...

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year, the possibility continues to grow. But what would happen if we actually ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...