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 ...

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

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.

After saying that aliens were real on a podcast over the weekend, former President Barack Obama took to Instagram on Sunday to clarify that he had seen "no evidence during my presidency that ...