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

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

For decades, humanity has searched the universe for signs of alien life — but some scientists warn that finding it may come ...

“Disclosure” has become a cult word. It shouldn't be, since all it means, technically, is to reveal something. But the new wave of alien conspiracy theorists have made “disclosure” into a teasingly ...

Left to Right: Steven Yeun in "Nope," the alien in Steven Spielberg's "E.T." and Scarlett Johansson in "Under the Skin" (Universal Pictures / A24) It didn’t take long for stories about ...

A new ranking is making the rounds with a striking claim: residents of Cambridge face a '1 in 400 lifetime chance' of a UFO ...

Forty years ago next month, James Cameron put an “S” on the end of one of the greatest sci-fi films of all-time. The result? Another one of the greatest sci-fi films of all-time. Aliens was released ...

The long-running series in which readers answer other readers’ questions comes up with an epic extraterrestrial playlist for Earth’s first contact from beyond the stars This week’s new question: ...

Steven Spielberg has always believed we’re not alone in this universe. With ‘Disclosure Day,’ he may make a believer out of ...