Two scientists want NASA to build a quarantine lab for alien germs on the Moon, rather than on Earth. The pair, ...

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...

An audio tape reportedly exists of a UFO briefing between Air Force officials and scientists in 1952.

Maj. Gen. William Neil McCasland vanished from a hiking trail in Albuquerque on February 27, which experts say could be a ...

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

In 1952, a series of unexplained sightings took place in the skies above Washington. These unidentified objects attracted ...

A missing U. S. Air Force general linked to the military's alleged research on UFOs was reportedly trying to quit his job at ...

Lionfish, mitten crabs and “sea vomit.” Meet eight marine species who inadvertently moved to new territory and took the ...

The mystery deepens when looking at his final known movements.

New evidence tied to the missing Air Force general in New Mexico suggests the veteran officer was attempting to cut his ties to the Pentagon before he vanished without a trace.

Researchers propose turning a future NASA moon base into a quarantine station that would screen space samples before they ever reach Earth.

What happens if scientists find evidence of extraterrestrial intelligence? That question was at the center of a recent SETI Live discussion about newly updated post-detection protocols and how ...