News

  1. Planetary Science

    An orbiter glitch may mean some signs of liquid water on Mars aren’t real

    The way that scientists process data from a Mars orbiter creates what look like signs of saltwater, but may actually be nothing, a study finds.

    By Lisa Grossman
  2. Tech

    A new airplane uses charged molecules, not propellers or turbines, to fly

    A small aircraft prototype is powered by ionic wind flowing in one direction and pushing the plane in the other.

    By Laurel Hamers
  3. Tech

    How Twitter bots get people to spread fake news

    Automated bot accounts on Twitter help spread misinformation by strategically encouraging people to make it go viral.

    By Maria Temming
  4. Particle Physics

    Nuclear ‘knots’ could unravel the mysteries of atoms

    Skyrmions might help loosen scientific snarls in studies of atomic nuclei.