Around 40 light years away from Earth, hidden in the constellation Pisces, there is a small alien world that has captured the ...

NASA's proposed Habitable Worlds Observatory will be designed for robotic repairs instead of astronaut servicing. The ...

Christian UFO researchers argue that many alleged alien abductions are spiritual simulations aimed at undermining Christian ...

"All these discoveries from pioneering missions like Voyager and New Horizons teach us how little we know about what lies ...

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

Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

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

President Donald Trump made a jaw dropping jibe when he was allegedly briefed on alien “hybrids” living among humans.

Stacker curated 25 stills from television with an emphasis on a diverse range of genres, protagonists, styles, and time ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...