News

  1. Planetary Science

    Marsquakes reveal the Red Planet boasts a liquid core half its diameter

    Analyses of seismic waves picked up by NASA’s InSight lander shed new light on the planet’s core and give clues to the thickness of the crust.

    By Sid Perkins
  2. Paleontology

    Pterosaurs may have been able to fly as soon as they hatched

    A fossil analysis shows the flying reptile hatchlings had a stronger bone crucial for lift-off that adults and shorter, broader wings for agility.

    By Carolyn Gramling
  3. Health & Medicine

    The coronavirus cuts cells’ hairlike cilia, which may help it invade the lungs

    Images show that the coronavirus clears the respiratory tract of hairlike structures called cilia, which keep foreign objects out of the lungs.