Planetary Science

  1. Noctilucent clouds
    Earth

    Night-shining ‘noctilucent’ clouds have crept south this summer

    Clouds high in the atmosphere that catch the sun’s rays even after sundown may be seen farther from the poles due to an increase in moisture in the air.

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  2. Buzz Aldrin on the moon
    Planetary Science

    Accolades, skepticism and science marked Science News’ coverage of Apollo

    Science News’ coverage of the Apollo program stayed focused on the science but also framed the moon missions in the broader social and political context of the era.

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  3. Lisa with moon rocks
    Planetary Science

    How NASA has kept Apollo moon rocks safe from contamination for 50 years

    NASA wouldn’t let our reporter touch the Apollo moon rocks. Here’s why that’s a good thing.

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  4. Apollo 15 lunar module
    Planetary Science

    Apollo astronauts left trash, mementos and experiments on the moon

    Here’s what planetary scientists are learning from the remains of Apollo outposts, and how archeologists hope to preserve it.

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  5. an image showing several Apollo 11 anniversary books
    Planetary Science

    Celebrate the moon landing anniversary with books that go beyond the small step

    New books about Apollo 11 and the mission to the moon offer something for everyone, from astronomy lovers to fans of graphic novels and self-improvement buffs.

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  6. Hayabusa2 touching down on Ryugu
    Planetary Science

    Hayabusa2 may have just snagged bits of asteroid Ryugu’s insides

    In its second sampling attempt, Hayabusa2 became the first spacecraft to try to pick up some of an asteroid’s guts.

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  7. Astronomicum Caesareum moon image
    Planetary Science

    See how visualizations of the moon have changed over time

    To celebrate the 50th anniversary of the moon landing, here’s a collection of images that show how the moon has been visualized over the ages.

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  8. crescent moon
    Anthropology

    Ancient humans used the moon as a calendar in the sky

    Whether the moon was a timekeeper for early humans, as first argued during the Apollo missions, is still up for debate.

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  9. Planetary Science

    Readers wanted to know about asteroids, lithium batteries and more

    Readers had questions and comments about asteroids, lithium batteries, and pyroclastic flows.

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  10. illustration of Dragonfly mission to Titan
    Planetary Science

    With Dragonfly, NASA is heading back to Saturn’s moon Titan

    NASA’s next robotic mission to explore the solar system is headed to Saturn’s largest moon, Titan.

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  11. Deep Space Atomic Clock illustration
    Tech

    How NASA’s portable atomic clock could revolutionize space travel

    An atomic clock designed to enable self-driving spaceships and GPS-like navigation on other planets is about to take a yearlong test flight.

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  12. Europa
    Astronomy

    Table salt may be hiding in Europa’s underground sea

    Observations of Europa by the Hubble Space Telescope suggest that the moon’s ice-covered ocean may hold sodium chloride, or common table salt.

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