Uncategorized

  1. Planetary Science

    Saturn’s rings mess with the gas giant’s atmosphere

    Data from Cassini’s shallow dives into Saturn’s ionosphere show that this charged layer in the atmosphere interacts with the planet’s rings.

    By Lisa Grossman
  2. Animals

    Once settled, immigrants play important guard roles in mongoose packs

    Dwarf mongoose packs ultimately benefit from taking in immigrants, but there’s an assimilation period.

    By Helen Thompson
  3. Animals

    This ancient marsupial lion had an early version of ‘bolt-cutter’ teeth

    Extinct dog-sized predator crunched with unusual slicers toward the back of its jaw.

    By Susan Milius
  4. Astronomy

    Most complete map of Titan reveals connected seas and cookie-cutter lakes

    The latest map of Titan, based on all the data from the Cassini spacecraft, displays new details about the moon’s lakes and seas.