Harvard astrophysicist Avi Loeb is one of the biggest proponents of the theory that the comet was sent by an alien ...

A recent theory proposed by a NASA scientist suggests that extraterrestrial civilizations may not possess the wildly advanced technology that many UFO enthusiasts expect. This perspective, which ...

Alien: Earth begins with a bit of onscreen text detailing the universe’s three forms of artificial life: cyborgs, synths, and hybrids. Noticeably absent are Replicants — Blade Runner‘s genetically ...