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

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

A rendering of a potential Dyson sphere, named after Freeman A. Dyson. As proposed by the physicist and astromomer decades ago, they would collect solar energy on a solar system wide scale for highly ...

Here are some of the best videos from the second drop of UAP videos and one account that left an intelligence officer "virtually speechless." ...

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