A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...

Renny Harlin revealed why he walked away from directing Alien 3 after 20th Century Fox rejected his radically different ideas ...

The most popular 'Star Trek' series is almost back. Here's what to know about '' Season 4, from the plot to the cast and more ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

James Webb uncovered exotic salt clouds surrounding the famous "Pink Planet," solving a long-standing mystery about one of ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

The best new movies to watch this June 26-28 weekend include 'Avatar: Fire and Ice,' a Netflix comedy with John Cena and more ...

New Guardian recruits are wanted in the war against alien bugs. Get another look at Guardians Planetfall in this latest ...

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar ...