Researchers want to explore the idea that microscopic particles shed by alien civilizations have accumulated on the lunar ...

The research, led by a SETI scientist, takes a completely different approach to the existing efforts of searching for life beyond our planet.

There are some who are suspicious about what the Apollo 11 astronauts found on the moon in this clip from Season 11, Episode ...

A NASA image of the moon has sparked theories of aliens after a mysterious object was spotted hovering above the lunar surface.