Beneath the icy silence of Antarctica's famous Dry Valleys lies a world so unusual that it often resembles another planet.

US firm Vast is developing spinning space stations with artificial gravity to keep astronauts healthy on deep-space missions and push the search for alien life.

An outrageous blend of sci-fi, horror, and vampire madness delivers one of the wildest cult classics of the 1980s, and ...

“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 ...

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

Disclosure Day,” a tale of aliens on Earth and the coverup of their presence, starring Emily Blunt and Josh O’Connor, is a ...

"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

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 ...

Half a century after "Close Encounters of the Third Kind," the director returns to the subject of UFOs with "Disclosure Day." His science fiction films are informed by his fascination with alien encou ...

Anticipation. Rumors. Anxiously scanning the horizon, hoping that a brilliant force will leave the masses forever changed. Yes, a new Steven Spielberg movie about close encounters with ...

It was simple — and speaks to the scope of insider trading and the challenge reining it in.