News

  1. Health & Medicine

    U.S. measles outbreaks may end a hard-won victory over the virus

    Dropping vaccination rates and changes in U.S. vaccine policy have public health experts concerned that annual measles outbreaks could become more frequent.

    By Erin Garcia de Jesús
  2. Astronomy

    Betelgeuse’s companion star revealed in new images

    Revealed by advanced imaging, the long-sought "Betelbuddy" is much smaller and fainter than Betelgeuse and orbits within the supergiant’s atmosphere.

    By Mara Johnson-Groh
  3. Life

    This killer fungus strikes at sunset. Here’s how

    The fungus Entomophthora muscae turns flies into zombies and kills them at sunset. An internal kill clock may explain the mysterious timing.

    By Meghan Rosen
  4. Health & Medicine

    Here’s how air pollution may trigger lung cancer

    Exposure to air pollution may trigger DNA mutations that cause lung cancer in nonsmokers.