The scientist has outlined the 'potentially devastating and irreversible long-term impacts' of unknown organisms in space ...

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

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 ...

Long before NASA's Apollo program, the U.S. Air Force was quietly drawing up plans for a secret underground military base on ...

Director Steven Spielberg claimed aliens have already visited planet Earth – and now scientists said he may be on the money, ...

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

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

The Pentagon has released its fourth batch of declassified UFO files, with 40 records from Nasa, the CIA, the FBI and the ...

LHS 3844b is an exoplanet just slightly larger than Earth that orbits the red dwarf star LHS 3884, located 48.5 light years from our solar system ...