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

We humans have numerous scientific activities currently involved in the search for extraterrestrial intelligence (SETI). These include observations of numerous star systems looking for radio signals, as, for example radar signals like those our airports ...

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 made contact, especially if the contact came to us?

What if we were the aliens? In a great 1991 episode of 'Star Trek: The Next Generation,' the notion of aliens among us was changed.

After comments about extraterrestrials sparked online debate, the former US president clarified that while the universe may statistically support life beyond Earth, he found no evidence of alien contact during his time in office.