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

The Donald Trump administration has released numerous files about reported UFO sightings as well as bizarre claims and ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

Buzz Aldrin is quoted as having made three observations, one of which was of something with a "sizeable dimension." ...

New government UFO files reveal Apollo 17 astronauts saw 'Fourth of July' like flashes and other strange phenomena during a 1972 mission to the moon.