Uncategorized

  1. Planetary Science

    NASA’s Ingenuity helicopter’s mission with Perseverance has been extended

    NASA’s Ingenuity helicopter has passed all its tests and is ready to support the Perseverance rover in looking for ancient Martian life.

    By Lisa Grossman
  2. Anthropology

    Little Foot’s shoulders hint at how a human-chimp common ancestor climbed

    The shape of the 3.67-million-year-old hominid’s shoulder blades suggests it had a gorilla-like ability to climb trees.

    By Bruce Bower
  3. Earth

    Lightning may be an important source of air-cleaning chemicals

    Airplane observations show that thunderstorms can directly generate vast quantities of atmosphere-cleansing chemicals called oxidants.

    By Maria Temming
  4. Ecosystems

    Wild donkeys and horses engineer water holes that help other species

    Dozens of animals and even some plants in the American Southwest take advantage of water-filled holes dug by these nonnative equids.