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

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

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

In the farthest reaches of the planetary plane, at an average distance from the Sun four times that of Saturn, lurks Pluto – ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

Harvard astrophysicist Avi Loeb, known for his controversial extraterrestrial theories, is now leading a new Trump ...

A moment early on in Disclosure Day will instinctively feel familiar to anyone who grew up with Steven Spielberg films. A TV weather report predicts hail. The camera pans downward, from television set ...

New batch of previously classified government documents takes no position on origin of unidentified aerial phenomena (UAPs) ...

Space exploration was a major theme of a state House hearing on Tuesday, even as the budget deadline looms over lawmakers.

As Steven Spielberg releases a new film on extraterrestrials, here's a brief history of modern alien conspiracies and why scientists are now taking UFO reports seriously. Amid all the unanswered ...