News

  1. Health & Medicine

    Even ‘safe’ air pollution levels may affect heart health

    An imaging study found early signs of coronary artery disease in people in Canada breathing air that regulators consider clean.

    By Isha Ishtiaq
  2. Paleontology

    A new dino fossil may solve an ancient murder mystery

    A newly-described dinosaur, Jian changmaensis, may have glided through northwestern China about 120 million years ago, wreaking havoc on birds.

    By Aaron Tremper
  3. Health & Medicine

    The New World screwworm has returned to the U.S. Now what?

    At least a dozen animals have been found with the flesh-eating maggots. It could take more than a year to eradicate the parasite again, experts warn.