News

  1. Health & Medicine

    Newly identified stem cells can lure breast cancer to the spine

    A new type of stem cell discovered in mice and humans might explain why cancer that spreads to other body parts preferentially targets the spine.

    By Meghan Rosen
  2. Astronomy

    The black hole–powered jet in galaxy M87 is making stars explode

    Hubble Space Telescope data show a surprising number of nova blasts along the jet of high-speed gas coming from the galaxy M87.

    By Ken Croswell
  3. Animals

    In a first, genetically modified silkworms produced pure spider silk

    An effort to engineer silkworms to produce spider silk brings us closer than ever to exploiting the extraordinary properties of this arachnid fiber.