From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

It's World UFO Day, but questions about aliens, UFOs and what governments know about them remain. UFO researcher Jon Stewart ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

US Department of Homeland Security finalises alien registration rule, outlining who must register, carry documents, and the ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

According to the History Channel, they are officially scheduled to air another new episode of their hit documentary series, ...

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

The Pentagon's latest declassified UAP files, including eyewitness videos and historical documents, have reignited interest ...

Supreme Court rulings, culture-war politics and renewed nativism reveal a republic still wrestling with the question of who ...

Released in 1979, ‘Alien’ redefined sci-fi horror and introduced audiences to one of cinema’s greatest action heroes. The ...