How to Watch the First Republican Presidential Debate

Ex-"Real Housewives" star NeNe Leakes alleges show ignored racist comments from co-star Kim Zolciak-BiermannAstronauts on The Space Station Liked SpaceX's 'Earthy' Toy So Much They Kidnapped It

Viola Davis' new memoir "Finding Me" selected as Oprah's new book club pickSuccess! SpaceX's Crew Dragon Looks Toasted After First Successful Re-Entry And LandingNew Paper Describes How We Could Detect Alien Spacecraft Powered by Black Holes

The Latest Calculation of Milky Way's Mass Just Changed What We Know About Our GalaxyThe First All-Female Spacewalk Has Just Been Scheduled by NASA

Heavy metal and bluegrass guitarist John 5 on his musical obsessions

The Most Challenging Part of Elon Musk's Ambitious NASA Mission Is About to HappenSony to acquire Bungie game studio — developer of Xbox-owned Halo — for $3.6 billion

NASA Has Recorded The First Sounds of The Eerie Void Inside Saturn's RingsAstronomers discover a rare star full of calcium, but no clear origin

Rihanna is pregnant with first baby with A$AP RockyCassini Just Sent Back Images From Its First-Ever Dive Through Saturn's Rings, And They're Incredible