High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for potential alien life elsewhere. Saturn's moon Enceladus (shown here in a 2006 ...

NASA's new list of accurate sci-fi films might shock you. Some are decades old—but still more realistic than modern blockbusters.

Gene Roddenberry's idea for another sci-fi series took 21 years to come to fruition, and when it did, it seemed a bit too ...

After the success of James Cameron’s “Aliens” in the summer of 1986, Dark Horse Comics’s expanded universe continued time and again to forge new pathways for the terrifying extraterrestrial Xenomorph ...