With For All Mankind Season 5 now streaming on Apple TV and the show confirmed to end with Season 6, longtime viewers have been revisiting a persistent theory about where this alternate history saga ...

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

A mysterious structure emerges in a distant landscape, raising new questions in the search for intelligent alien life. The ...

Bob Lazar's UFO claims from the 1980s find new support in recent military video evidence. Bob Lazar’s descriptions of UFO ...

A study using the Very Large Array radio telescope may have discovered a magnetic field on exoplanet YZ Ceti b. Magnetic ...

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in starlight turned out to be massive rings of plasma swirling in the stars’ ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

Ridley Scott-produced sci-fi series Alien: Earth has added a Game of Thrones legend to the cast for Season 2.

Searching for alien languages sheds light on how much human languages have in common—with each other and even with animal ...

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 ...

A Parker County man identified by authorities as an illegal alien was arrested on felony cockfighting and animal cruelty ...