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 ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

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