Uncategorized

  1. Environment

    Grassland and shrubland fires destroy more U.S. homes than forest fires

    Grassland and shrubland fires destroyed nearly 11,000 homes in the contiguous United States from 1990 to 2020.

    By Nikk Ogasa
  2. Climate

    The last 12 months were the hottest on record

    The planet’s average temperature was about 1.3 degrees Celsius higher than the 1850–1900 average, a new report finds.

    By Carolyn Gramling
  3. Life

    Head lice hitched a ride on humans to the Americas at least twice

    The genes of head lice record the story of their human hosts’ global voyages.

    By Jake Buehler
  4. Planetary Science

    50 years ago, the first probe to visit Mercury launched

    In the 1970s, NASA’s Mariner 10 became the first spacecraft to visit Mercury.