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      Mental Floss

      SPACETIME

      Omaze

      You Could Win a Seat on One of the First Virgin Galactic Space Flights

      Through Omaze, one lucky person and a guest could win seats on one of the first flights into space from Virgin Galactic. The sweepstakes is open from now until September 1.

      Elaine Selna

      NSF/LIGO/Sonoma State University/A. Simonnet

      Astronomers Observe a New Kind of Massive Cosmic Collision for the First Time

      "For me, it feels like the dawning of a next era in astrophysics."

      Dan Falk

      iStock

      How Many Dimensions Are There?

      Length, width, and depth are only part of the picture.

      Michele Debczak



      Duncan Shotton

      Stay Organized With These Solar System-Themed Push Pins

      Best used for putting up your NASA posters.

      Rebecca OConnell


      FAECIASP/NASA/Conicet of Argentina/Getty Images

      Everything You Ever Wanted to Know About Black Holes

      They’re probably the weirdest—and certainly the most puzzling—objects in the universe. Peer over the event horizon with us.

      Dan Falk


      High School Senior Wins $400,000 for Explaining Special Relativity

      Ryan Chester took an infamously complex idea, and made it possible for anyone to understand.

      Caitlin Schneider


      Wikimedia Commons // Public Domain

      12 Illuminating Facts About General Relativity

      This year marks the 100th anniversary of a scientific breakthrough that fundamentally changed our world.

      Caitlin Schneider
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