Uncategorized

  1. Astronomy

    We share the Milky Way with 100 million black holes

    New census calculates black hole populations in galaxies big and small.

    By Emily Conover
  2. Astronomy

    Where does the solar wind come from? The eclipse may offer answers

    A quick-fire polarization camera should help scientists detect the origins of the solar wind during the Aug. 21 eclipse.

    By Lisa Grossman
  3. Life

    Embryos kill off male tissue to become female

    Female embryos actively dismantle male reproductive tissue, a textbook-challenging study suggests.

    By Tina Hesman Saey
  4. Neuroscience

    How an itch hitches a ride to the brain

    Scientists have figured out how your brain registers the sensation of itch.