News

  1. Space

    Cosmic rays traced to centers of star birth

    By detecting gamma rays, a new generation of telescopes bolsters theory that supernovas are origin of some cosmic rays

    By Ron Cowen
  2. Health & Medicine

    HIV self-test proves accurate

    Study in an ER shows individuals successfully determined their own HIV status.

    By Nathan Seppa
  3. Space

    The Drake Equation Turns 50: An interview with Frank Drake

    The astronomer shares his name with the equation that quantifies the number of detectable civilizations in the Milky Way.

    By Nadia Drake
  4. Health & Medicine

    Antibiotic-resistant bacteria strike drug of last resort

    Warning signs emerge in the use of an old drug effective against resistant microbes.