Uncategorized

  1. Archaeology

    Footprints prove humans hunted giant sloths during the Ice Age

    Footprints of humans and giant sloths show a dramatic chase sequence from more than 10,000 years ago.

    By Dan Garisto
  2. Astronomy

    The latest star map from the Gaia spacecraft plots 1.7 billion stars

    The Gaia spacecraft’s latest data release brings the number of stars with precisely measured motions up from 2 million to more than 1.3 billion.

    By Lisa Grossman
  3. Psychology

    In China, coffee shop habits show cultural differences tied to farming

    Farming histories have shaped behavior in northern and southern China.

    By Bruce Bower
  4. Planetary Science

    Asteroids could have delivered water to the early Earth

    Shooting mineral pellets at a simulated planet suggests an impact wouldn’t have boiled all of an asteroid’s water away.