Alien megastructures built to harvest stellar energy or alter the orbits of stars may be physically feasible, according to a ...

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

As Trump orders UFO file release, scientists debate a deeper question—if aliens exist, what would they think of humanity?

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

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

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” who look suspiciously like us in rubber suits. The scientists who actually ...

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

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

Explore the fascinating science and alien life in 'Project Hail Mary,' highlighting Rocky and the star system 40 Eridani.

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

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