A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

NASA addresses the release of UFO files and discusses the ongoing search for life on Mars. What are they hiding?

Newly declassified Pentagon UFO files have reignited debate over a possible alien presence on the Moon after a previously ...

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

Dozens of photos were included as part of the release, such as photos shared by the FBI, Department of Defense, and NASA.

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

new video loaded: What Does NASA Know About Aliens? transcript Does NASA have files on aliens? Jared Isaacman says no, and tells Ross Douthat on “Interesting Times” that extraterrestrials would pick a ...

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated ...

In 1877, an Italian astronomer mapped faint lines on Mars and called them canali, meaning channels or grooves. But the word ...