News

  1. Space

    A passing star could fling Earth out of orbit

    Simulations show that the star's tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

    By Ken Croswell
  2. Health & Medicine

    Personalized gene editing saved a baby, but the tech’s future is uncertain

    The personalized CRISPR treatment could be the future of gene therapy, but hurdles remain before everyone has access.

    By Tina Hesman Saey
  3. Neuroscience

    ‘Silent’ cells play a surprising role in how brains work

    New studies show that astrocytes, long thought to be support cells in the brain, are crucial intermediaries for relaying messages to neurons.