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

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 ...

One unexpected choice in the Alien franchise's best prequel breaks a big rule of spinoffs by shattering franchise continuity, ...

Discover this week's must-see night sky events, moon phases, and stunning astrophotos. Sign up for our skywatching newsletter ...

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

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

Teetering near endangered status, the starlet sea anemone produces “an ancient mechanism” for fighting viruses that ...

The space agency has put out a call for its Moon & Mars Exploration Analog, which recreates the challenges of a long-duration ...

A backup version of Skylab was displayed when the Smithsonian’s National Air and Space Museum opened 50 years ago. After ...

A cinematic AI short film where an unexpected first contact celebrates soccer as the universal language of connection, ...

Disclosure Day has plenty of UFOs and extraterrestrial species but very little of the human insights found in the filmmaker’s ...