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

Moon dust may be hiding signs of pulverised alien technology, scientist says - Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

Astrophysicist Neil deGrasse Tyson, 67, explained how any alien visitor from another planet would likely look very different ...

US officials have released another batch of classified files related to UFO sightings, including reports of glowing, red orbs ...