Planetary Science

More Stories in Planetary Science

  1. enstatite chondrite
    Planetary Science

    Earth’s building blocks may have had far more water than previously thought

    Space rocks and dust from the inner solar system could have delivered enough water to account for all the H2O in the planet’s mantle.

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  2. comet
    Astronomy

    In a first, astronomers spotted a space rock turning into a comet

    Scientists have caught a space rock in the act of shifting from a Kuiper Belt object to a comet. That process won’t be complete until 2063.

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  3. Hubble Space Telescope during total lunar eclipse
    Astronomy

    Hubble watched a lunar eclipse to see Earth from an alien’s perspective

    Hubble observed sunlight filtering through Earth’s atmosphere during a lunar eclipse to see what a habitable exoplanet’s atmosphere might look like.

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  4. Photos of the four largest moons of Jupiter
    Planetary Science

    Jupiter’s moons could keep each other warm by raising tidal waves

    Along with gravity from the enormous planet, tidal forces between Jupiter’s moons could generate a surprising amount of heat.

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  5. Jupiter clouds
    Space

    ‘Exotic’ lightning crackles across Jupiter’s cloud tops

    Newly spotted lightning, which could form thanks to ammonia antifreeze, is weaker but more frequent than any flashes seen on Jupiter before.

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  6. photo of Perseverance launch
    Planetary Science

    The Perseverance rover caps off a month of Mars launches

    With the launch of NASA’s Perseverance rover, the rush to the Red Planet is under way.

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  7. scientists in the Nevada desert
    Space

    To rehearse Perseverance’s mission, scientists pretended to be a Mars rover

    Seven Mars scientists pretended to be the Mars Perseverance rover on a training exercise in the Nevada desert.

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  8. Image of the Perseverance rover
    Planetary Science

    NASA’s Perseverance rover will seek signs of past life on Mars

    NASA’s Perseverance rover will collect rocks and search for past life on Mars using lasers and zoomable cameras among other instruments.

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  9. aerial photo of a dome on Mauna Loa
    Space

    Two new books explore Mars — and what it means to be human

    ‘Once Upon a Time I Lived on Mars’ and ‘The Sirens of Mars’ are surprisingly apt reads during the pandemic.

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