Planetary Science

  1. Planetary Science

    Some ‘superpuff’ exoplanets may actually be ringed worlds like Saturn

    “Superpuff” planets look fluffy and light. But for some of the worlds, the effect could instead be explained by large, rocky rings, a study suggests.

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  2. Planetary Science

    Meet Perseverance, NASA’s newest Mars rover

    NASA’s next Mars rover will be called Perseverance.

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  3. Earth's magnetic field
    Planetary Science

    An ancient magma ocean may have once driven Earth’s magnetic field

    Computer simulations of molten silicate under extreme temperatures and pressures may have just filled in a gap in the history of Earth’s magnetism.

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  4. solar eclipse
    Space

    50 years ago, scientists were studying why the sun’s corona is so hot

    In 1970, scientists were hoping to learn why the sun’s corona is so hot during an eclipse. Fifty years later, the corona’s magnetic field may hold some answers.

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  5. Planetary Science

    China’s moon rover revealed what lies beneath the lunar farside

    China’s Yutu-2 rover found layers of fine sand and coarse gravel under the surface of the moon’s farside.

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  6. NASA InSight lander selfie
    Space

    What NASA’s InSight lander has learned about Mars’ magnetism and quakes

    In its first 10 months, the InSight lander detected Marsquakes and an unexpectedly strong magnetic field at its landing site on the Red Planet.

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  7. young star jet
    Space

    Phosphorus, a key ingredient of life, has been found in a newborn star system

    Astrochemists map phosphorus-bearing molecules in a star-forming cloud, giving clues to how this vital element may have arrived on Earth.

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  8. Asteroid 2020 AV2
    Planetary Science

    For the first time, an asteroid has been found nearer to the sun than Venus

    A space rock dubbed 2020 AV2, found in close orbit around the sun, probably got there after a series of close encounters with rocky planets.

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  9. moon
    Space

    The sterile moon may still hold hints of how life began on Earth

    50 years ago, scientists found no signs of life on the moon. Today, lunar mission regulations may be relaxed in light of that fact.

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  10. Egg nebula stardust
    Space

    This ancient stardust is the oldest ever to be examined in a lab

    Tiny grains of stardust that formed long before our solar system are giving new insight into star formation in the Milky Way.

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  11. Hayabusa2 spacecraft shadow
    Space

    How 2019’s space missions explored distant worlds

    Planets and asteroids and Arrokoth, oh my. Space probes had a busy year.

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  12. moon
    Space

    China stuck its moon landing this year. Others weren’t as lucky

    Fifty years after Apollo 11 landed on the moon, Earth’s sidekick is getting renewed attention from space agencies around the world.

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