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

A provocative study suggests that Jupiter’s frozen moon Europa may not only be hospitable, but that life from Earth could be ...

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

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