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  1. Planetary Science

    NASA’s OSIRIS-REx finds signs of water on the asteroid Bennu

    NASA’s OSIRIS-REx spacecraft found signs of water and lots of boulders on the asteroid Bennu.

    By Lisa Grossman
  2. Cosmology

    Voyager 2 spacecraft enters interstellar space

    Voyager 2 just became the second probe ever to enter interstellar space, and the first with a working plasma instrument.

    By Lisa Grossman
  3. Physics

    A satellite screw-up reaffirms Einstein’s theory of gravity

    Two spacecraft confirm that time passes more slowly closer to Earth’s surface.

    By Emily Conover
  4. Science & Society

    These are our favorite science books of 2018

    Science News writers and editors pick which science books were this year’s must-reads.