Winter may have come and gone for "Game of Thrones" and its infamous character, the Night King, but his legacy is poised to live on — in the form of a fly.
NASA said its new Transiting Exoplanet Survey Satellite space telescope has discovered its smallest exoplanet so far, an alien world that's roughly 80 percent the size of Earth and could help "unlock" secrets of how the Blue Planet became habitable.
Three and a half billion years ago, a mysterious object on the edge of a distant galaxy spewed forth an intensely bright, vanishingly brief burst of radio energy that shot across the universe.
NASA unveiled the latest mission in its New Frontiers program, exploring Saturn's largest moon, Titan, which could potentially host extraterrestrial life.
BELLEVUE, Wash. — What do a deep underwater volcano in Hawaii and Saturn's moon have in common? Astrobiologists are hoping the answer to that question is life.