A strange purple object aboard the ISS sparked alien fears online, but NASA revealed it was a potato experiment. It shows how microgravity can turn ordinary plants into bizarre shapes.

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

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

For decades, scientists have been actively searching for signs of extraterrestrial life. Fromradio waves to laser flashes and infrared heat signatures, the hunt for alien technosignatures has ...

A strange, tentacled object that went viral online was revealed to be a space-grown purple potato. Astronaut Don Pettit cultivated the unusual specimen during a microgravity gardening experiment, ...

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

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