This cinematic documentary delves into the profound scientific quest to discover intelligent extraterrestrial civilizations ...

(cokada/iStock/Getty Images) Alien megastructures built to harvest stellar energy or alter the orbits of stars may be ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Some sci-fi books are so great that they could sustain multiple seasons of a prestige TV shows, even though they are a ...

These findings suggest that the absence of past detections does not mean discovery is imminent. If extraterrestrial ...

Missing US scientists’ mystery: Harvard astrophysicist Avi Loeb urges caution regarding a series of unexplained deaths and ...

(NewsNation) — Images of a pyramid-like shape on the surface of Mars are propelling theories that alien beings constructed the object, but one expert on the Red Planet has some disappointing news for ...

Stargate SG-1 proves the Prime Directive can be frustrating, showing how stepping in can save lives and improve entire ...

According to Metropolitan Hilarion, aliens live in different realms and occasionally appear to humans as angels ...

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — ...

A photo of a three-sided Martian "pyramid" has sparked discussions on potential advanced life on the Red Planet. Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a ...