News

  1. Astronomy

    Shedding light on the precursor to a supernova

    A supernova lights up its surroundings, revealing evidence of what made the star explode.

    By Ron Cowen
  2. Health & Medicine

    Statin reduces dementia risk

    A popular anticholesterol drug reduces older adults' chances of developing dementia.

    By Brian Vastag
  3. Physics

    Slick serpent

    Oil poured into a pan of the same liquid drags along a surrounding air layer, which can make it skip in and out of the surface before it mixes in.

    By Davide Castelvecchi
  4. Astronomy

    Heavenly Chemistry: Astronomers announce astrophysical anion

    Astronomers' discovery of a rare negatively charged organic molecule sheds light on conditions in interstellar gas clouds, where amino acids, sugars, and other prebiologic compounds form.