Planetary Science

More Stories in Planetary Science

  1. magnetic field lines
    Space

    Iron sulfide may be keeping Mercury’s core toasty and its magnetic field alive

    New estimates of how much heat Mercury’s core loses could explain why the tiny world has a long-lived magnetic field.

    By
  2. Curiosity rover
    Space

    Overnight changes in Mars’ atmosphere could solve a methane mystery

    Overnight atmospheric changes on Mars can explain why two spacecraft measure vastly different concentrations of methane.

    By
  3. Jupiter
    Space

    5 of Jupiter’s newly discovered moons received names in a public contest

    Astronomers first announced the discovery of the worlds in July 2018, and have now named them for goddesses and spirits of Greek and Roman mythology.

    By
  4. Ryugu
    Space

    For an asteroid, Ryugu has surprisingly little dust on its surface

    Ryugu lacks the dust that some other space rocks have. The near-Earth asteroid may hide the fine debris inside porous rocks or eject it into space.

    By
  5. Jupiter collision illustration
    Space

    A planetary body may have smashed into Jupiter, creating its weird core

    A planetary body smashing into Jupiter may have jostled the gas giant’s insides during its formative years, creating the strange interior seen today.

    By
  6. Chandrayaan 2 launch
    Planetary Science

    India’s first lunar lander is on its way to the moon

    India’s Chandrayaan 2 mission just launched, hoping to become the first Indian spacecraft to land on the moon.

    By
  7. Noctilucent clouds
    Earth

    Night-shining ‘noctilucent’ clouds have crept south this summer

    Clouds high in the atmosphere that catch the sun’s rays even after sundown may be seen farther from the poles due to an increase in moisture in the air.

    By
  8. Buzz Aldrin on the moon
    Planetary Science

    Accolades, skepticism and science marked Science News’ coverage of Apollo

    Science News’ coverage of the Apollo program stayed focused on the science but also framed the moon missions in the broader social and political context of the era.

    By
  9. Lisa with moon rocks
    Planetary Science

    How NASA has kept Apollo moon rocks safe from contamination for 50 years

    NASA wouldn’t let our reporter touch the Apollo moon rocks. Here’s why that’s a good thing.

    By