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 ...

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

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

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

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

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

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life. The problem is not finding the star.

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.

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...