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

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

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in ...

Comet 41P/Tuttle-Giacobini-Kresak has begun acting a little unusually, but there are likely natural explanations before we go ...

A video, now viral on the social media, shows a bright object slowly falling from the sky over Indonesia, triggering claims ...

Renowned science fiction creator Ridley Scott helmed an 18-episode series that served as the perfect sequel to his ...

A strange purple object aboard the ISS sparked alien fears online, but NASA revealed it was a potato experiment. It shows how ...

These movies are the pinnacle of 70s sci-fi and the hard science fiction subgenre - priortizing scientific accuracy over ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

This study ranks Florida among the top states for alien abduction reports, where you have 1 in 1,102 odds of an ...

A strange, tentacled object that went viral online was revealed to be a space-grown purple potato. Astronaut Don Pettit ...