A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

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 ...

A new policy paper proposes a lunar biocontainment facility for extraterrestrial samples. This secure lunar laboratory would ...

A new study proposes examining Mars and other space samples on the Moon before bringing them to Earth, arguing it would ...

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

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

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

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — and could wipe out life on earth. Following Tennessee Rep. Tim Burchett’s ...

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, ...

Disclosure Day treats extraterrestrial life as a challenge to faith. It’s not.