News

  1. Astronomy

    A supermassive black hole orbiting a bigger one revealed itself with a flash

    A supermassive black hole binary system has puzzled astronomers for decades. Now they’ve finally seen direct signals from the smaller of the two.

    By Lisa Grossman
  2. Chemistry

    One photon is all it takes to kick off photosynthesis

    A single particle of light is the spark that begins the process of turning light to chemical energy in photosynthetic bacteria, a new study confirms.

    By Emily Conover
  3. Astronomy

    Jupiter-sized planets are very rare around the least massive stars

    A six-year search of 200 nearby low-mass red dwarf stars found no Jupiter-like planets, boosting the standard theory for how such planets form.