Planetary Science

More Stories in Planetary Science

  1. illustration of the Lucy spacecraft approaching an asteroid
    Space

    5 cool things to know about NASA’s Lucy mission to the Trojan asteroids

    NASA’s Lucy is the first spacecraft to head to the two giant clumps of space rocks that tag along in Jupiter’s orbit.

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  2. image of earthshine
    Earth

    Earth is reflecting less light. It’s not clear if that’s a trend

    A decrease in Earth’s reflectance shows our planet is absorbing more solar radiation, but it’s not clear if the trend will last.

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  3. A capsule containing moon rocks next to a Chinese flag with vehicles in the background
    Astronomy

    China’s lunar rock samples show lava flowed on the moon 2 billion years ago

    The first lunar rocks returned to Earth in more than 40 years show that the moon was volcanically active later than scientists thought.

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  4. illustration of planets colliding
    Astronomy

    Space rocks may have bounced off baby Earth, but slammed into Venus

    New simulations suggest a way to help explain dramatic differences between the sibling worlds.

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  5. rocks on Mars with drilled holes from NASA's Perseverance rover
    Planetary Science

    NASA’s Perseverance rover snagged its first Martian rock samples

    Two tubes of stone drilled from a basalt rock nicknamed Rochette are the first from Mars slated to eventually return to Earth.

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  6. a photo of Charon behind Pluto
    Planetary Science

    50 years ago, astronomers were chipping away at Pluto’s mass

    Prior to the discovery of Pluto’s moon Charon, astronomers struggled to pin down the dwarf planet’s mass.

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  7. image of pluto
    Astronomy

    The definition of planet is still a sore point – especially among Pluto fans

    In the 15 years since Pluto lost its planet status, scientists have continued to use the definition that works for them.

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  8. A photo of the Martian landscape with part of the Perseverance rover in the foreground
    Planetary Science

    See some of the most intriguing photos from NASA’s Perseverance rover so far

    Six months ago, Perseverance landed on the Red Planet. Here’s what the rover has been observing.

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  9. illustration of magnetic fields moving charged particles to Jupiter's poles where auroras form
    Space

    Jupiter’s intense auroras superheat its upper atmosphere

    Jupiter’s hotter-than-expected upper atmosphere may be caused by high-speed charged particles slamming into the air high above the poles.

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