Tag: habitability

  • Nation & World

    A ‘Goldilocks zone’ for planet size

    Researchers have redefined the lower size limit for planets to maintain surface liquid water for long periods of time, extending the so-called habitable zone for small, low-gravity planets.

    5 minutes
    moon Ganymede orbits the giant planet Jupi
  • Nation & World

    Mars rover, slightly used, runs fine

    Originally scheduled to operate on the Red Planet’s surface for 90 Martian days, the rover Opportunity has now logged more than 3,500 days, traveled nearly 39 kilometers, and collected a trove of data that scientists have used to study the planet’s early history, particularly any past traces of water.

    4 minutes