Planetary Science

  1. Pluto
    Planetary Science

    Icy volcanoes on Pluto may have spewed organic-rich water

    Planetary scientists found ammonia-rich ice near cracks on Pluto, suggesting the dwarf planet had recent icy volcanoes.

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  2. farside of the moon
    Planetary Science

    China’s lunar rover may have found minerals from the moon’s mantle

    The Chang’e-4 mission spotted material on the lunar surface that appears to contain bits originating from the moon’s interior.

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  3. Apollo mission
    Planetary Science

    Apollo-era moonquakes reveal that the moon may be tectonically active

    Moonquakes recorded decades ago suggest the moon is tectonically active. Knowing more about that activity could help scientists identify where to land future spacecraft.

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  4. Asteroid Itokawa
    Planetary Science

    Water has been found in the dust of an asteroid thought to be bone-dry

    Scientists detected water in bits of an asteroid thought to be devoid of the liquid. Such space rocks might have helped create Earth’s oceans.

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  5. exomoon
    Astronomy

    Skepticism grows over whether the first known exomoon exists

    New analyses of the data used to find the first discovered exomoon are reaching conflicting results.

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  6. asteroid Ryugu before and after crater pics
    Planetary Science

    Pictures confirm Hayabusa2 made a crater in asteroid Ryugu

    Hayabusa2’s crater-blasting success, confirmed by an image beamed back from the spacecraft, paves the way to grab subsurface asteroid dust.

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  7. Mars InSight lander
    Planetary Science

    NASA’s Mars InSight lander may have the first recording of a Marsquake

    NASA’s InSight mission appears to have detected a Marsquake for the first time.

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  8. Planetary Science

    Readers ponder Opportunity’s future, animal consciousness and more

    Readers had questions about NASA’s Opportunity rover, pollen shapes and more.

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  9. Mercury
    Planetary Science

    Mercury has a massive solid inner core

    The distribution of Mercury’s mass and small stutters in the planet’s spin suggest it has a giant solid inner core.

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  10. meteor
    Planetary Science

    A 2014 meteor may have come from another solar system

    Scientists have identified a possible interstellar meteor, and think it could be one of millions that have visited Earth over the planet’s history.

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  11. moon
    Planetary Science

    Meteor showers dig up water on the moon

    Meteorites release water from the moon’s soil, hinting that the moon has water buried all across its surface.

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  12. mosaic image of Titan
    Planetary Science

    Saturn’s moon Titan sports phantom hydrocarbon lakes

    Three lakes on Saturn’s moon Titan have pulled a vanishing act, a study finds.

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