News

  1. Environment

    Landfills belch toxic ‘forever chemicals’ into the air

    An analysis of samples from three Florida landfills shows that landfill gas can carry more PFAS than the liquid that leaches from the waste.

    By Nikk Ogasa
  2. Health & Medicine

    Breastfeeding should take a toll on bones. A brain hormone may protect them

    The hormone CCN3 improves bone strength even as breastfeeding saps bones of calcium, a study in mice shows.

    By Claire Yuan
  3. Astronomy

    A middleweight black hole has been spotted for the first time in our galaxy

    The rare find, discovered in the star cluster Omega Centauri, could offer clues to how black holes and galaxies evolve.