Authorities, though, have a much more mundane explanation: space junk. The Australian Space Agency said the spheres are ...

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Summer heat got you down? These nine video games offer the perfect escape, transporting players to frozen wildernesses, ...

From Super Mario Bros. to Judge Dredd, these infamous '90s sci-fi disasters prove big concepts can still crash hard.

Back to the Future is widely considered one of the best sci-fi movie trilogies of all time, but there are five that are ...