Planetary Science

More Stories in Planetary Science

  1. illustration of Mars surface
    Planetary Science

    Chemical reactions high in Mars’ atmosphere rip apart water molecules

    Mars is so dry because its water constant escapes into space. A new study suggests this process occurs in the ionosphere and faster than thought.

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  2. bluish illustration of surface of Europa
    Space

    Jupiter’s icy moon Europa may glow in the dark

    Europa’s potential “ice glow” could help scientists map the chemical composition of its surface — and the ocean underneath.

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  3. flashes of light known as 'elves' or 'sprites'
    Space

    Jupiter may host atmospheric ‘sprites’ or ‘elves’ never seen beyond Earth

    For the first time, NASA’s Juno spacecraft may have spied the bright, superfast light show on another world.

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  4. Venus
    Planetary Science

    Doubts over a ‘possible sign of life’ on Venus show how science works

    Detecting phosphine in Venus’ atmosphere made headlines, but reanalyses and new searches call into question the original discovery of the molecule.

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  5. illuminated moon
    Space

    Water exists on sunny parts of the moon, scientists confirm

    New observations of the moon, made by a telescope flying onboard a Boeing 747-SP jet, have confirmed the presence of water on sunlit areas of the moon.

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  6. OSIRIS-REx spacecraft illustration
    Space

    NASA’s OSIRIS-REx survived its risky mission to grab a piece of an asteroid

    NASA’s OSIRIS-REx spacecraft just tried to grab a piece of asteroid Bennu. If successful, the spacecraft will return the sample to Earth in 2023.

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  7. Bennu
    Space

    The asteroid Bennu’s brittle boulders may make grabbing a sample easier

    NASA’s OSIRIS-REx spacecraft is about to collect a bit of asteroid Bennu. Here’s why it’s good that new research suggests its boulders are brittle.

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  8. Mars south pole
    Space

    A ‘lake’ on Mars may be surrounded by more pools of water

    Radar data hint at patches of liquid water beneath Martian polar ice, but some urge caution in interpreting results.

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  9. photograph of China’s Chang'e-4 lunar lander on the moon
    Space

    A new moon radiation measurement may help determine health risks to astronauts

    China's lunar lander measured radiation at the moon’s surface, finding the daily dose is 2.6 times as high as inside the International Space Station.

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