Uncategorized

  1. Astronomy

    Super-Earths, meet superpuffs, a lighter weight class of planet

    Superpuffs are underweight, oversized planets that formed in outskirts of star systems before cuddling up close to their sun.

    By Christopher Crockett
  2. Anthropology

    People roamed tip of South America 18,500 years ago

    Stone tools, charred animal bones and fire ash found at the Monte Verde site in Chile indicate people reached South America’s southernmost territory at least 18,500 years ago.

    By Bruce Bower
  3. Archaeology

    Search for fossils from the comfort of home

    The citizen science website FossilFinder.org lets anyone with an Internet connection look for fossils and characterize rocks at Kenya’s Lake Turkana Basin

    By Erin Wayman
  4. Earth

    Pioneering geologist sought to demystify volcanic eruptions

    In The Last Volcano, a geologist profiles Thomas Jaggar, one of the 20th century’s most influential volcanologists.