News

  1. Health & Medicine

    The animals that ticks bite in the U.S. South can impact Lyme disease spread

    Ticks in the north primarily attach to mice, which do a good job of infecting them with Lyme bacteria, setting up the spread to people.

    By Aimee Cunningham
  2. Astronomy

    Two exoplanet families redefine what planetary systems can look like

    The TRAPPIST-1 and TOI-178 systems, both home to multiple bunched-up planets, have densities and orbits that defy expectations.

    By Lisa Grossman
  3. Health & Medicine

    Nearly half a million U.S. children missed out on lead tests in early 2020

    A big drop in routine lead tests, which can identify children with elevated blood levels, is another troubling sign of the pandemic’s toll.