How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp ...

Astronomers have searched the skies for signs of extraterrestrial technology for decades. These searchers since 1960 have ...

The president on Thursday ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

Former US President Barack Obama says he has seen no evidence extra-terrestrials have made contact with Earth.

Former US President Barack Obama said he’s seen no evidence that aliens have made contact with Earth, clarifying his position on extraterrestrials after comments he made in a podcast went viral.

While idea may violate Occam’s razor, “it remains a speculative but logically open alternative,” says biologist Robert Endres.