News

  1. Health & Medicine

    Hundreds of dietary supplements are tainted with potentially harmful drugs

    Most dietary supplements tainted with pharmaceutical drugs were marketed for sexual enhancement, weight loss or muscle building.

    By Aimee Cunningham
  2. Astronomy

    The first observed wimpy supernova may have birthed a neutron star duo

    Scientists have spotted a faint, fast supernova for the first time, possibly explaining how pairs of dense stellar corpses called neutron stars form.

    By Lisa Grossman
  3. Life

    Gene editing creates mice with two biological dads for the first time

    Scientists have used CRISPR/Cas9 to make mice with two biological fathers.

    By Tina Hesman Saey
  4. Astronomy

    If the past is a guide, Hubble’s new trouble won’t doom the space telescope

    Hubble is in safe mode, but astronomers are optimistic that the observatory will keep working.