News

  1. Animals

    Genetics might save the rare, elusive saola — if it’s not already extinct

    A new genetic study could help saolas survive by enabling better searches through environmental DNA. But some experts fear they may be extinct already.

    By Tom Metcalfe
  2. 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
  3. 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.