Astronomers have identified GJ 3378b, a super-Earth located 25 light-years away, in the habitable zone of its star, raising ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Looking up reveals nature’s skylight, framing Arizona blue against fiery red stone in perfect composition. Photo credit: ...

At the edge of Antarctica, where the air is clean and the human world thins out, a strange instrument listens to the planet.

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

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Earth is well underway. Alien: Earth moved from Thailand to Alien's ancestral home of Pinewood, and production began in May, ...

With the release of "Disclosure Day," Steven Spielberg's new film about aliens, a question as old as science fiction itself resurfaces: If aliens were to arrive on Earth, would they come to conquer us ...

Stacker compiled a list of the best space movies of all time, from "WALL-E" to "Star Wars," as determined by the Stacker score.

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated UFO files — just “show the alien!” Tyson shared his two cents Monday on “The ...

Astrophysicist Neil deGrasse Tyson is calling on the government to just "show the alien," arguing that after years of whistleblower hearings and Pentagon file dumps, the American public is ready to ...

X-MEN VERSUS XENOMORPHS! They went looking for a Phoenix egg. They found something else. The X-MEN return to Earth with deadly cargo, and a violent battle between mutant and alien begins. And will an ...