Planetary Science

  1. Planetary Science

    5 things we’ve learned about Saturn since Cassini died

    The Cassini spacecraft plunged to its death into Saturn six months ago, but the discoveries keep coming.

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  2. Planetary Science

    Some TRAPPIST-1 planets may be water worlds

    Two of TRAPPIST-1’s planets are half water and ice, which could hamper the search for life.

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  3. Artificial Intelligence

    AI bests humans at mapping the moon

    AI does a more thorough job of counting craters than humans.

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  4. Planetary Science

    Dwarf planet Ceres may store underground brine that still gushes up today

    Waterlogged minerals and changing ice add to evidence that Ceres is geologically active.

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  5. Astronomy

    New Horizons’ next target has been dubbed Ultima Thule

    NASA has named New Horizons spacecraft’s next target Ultima Thule after the public suggested tens of thousands of monikers for the Kuiper Belt object.

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  6. Planetary Science

    Cosmic dust may create Mars’ wispy clouds

    Magnesium left by passing comets seeds the clouds of Mars, a new study suggests.

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  7. Planetary Science

    4 surprising things we just learned about Jupiter

    Polar cyclones, surprisingly deep atmosphere and a fluid mass spinning as a rigid body are among the latest discoveries at Jupiter.

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  8. Planetary Science

    How a vaporized Earth might have cooked up the moon

    A high-speed collision turned the early Earth into a hot, gooey space doughnut, and the moon formed within this synestia, a new simulation suggests.

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  9. Planetary Science

    Readers weigh in on human gene editing and more

    Readers debated feeling morally obligated to edit their kid's genes and had questions about exoplanets.

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  10. Planetary Science

    What will it take to go to Venus?

    Undeterred by funding woes, scientists are scraping together ideas to tackle heat, pressure and acidity challenges of landing on Venus.

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  11. Planetary Science

    Massive dust storms are robbing Mars of its water

    Mars was once lush with water. A new analysis of Martian climate data shows a mechanism that might have helped dehydrate the planet.

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  12. Planetary Science

    Shallow ice sheets discovered on Mars could aid future astronauts

    Exposed water ice on steep Martian slopes suggest there’s a lot within a meter or two of the surface.

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