Space

  1. Planetary Science

    The asteroid Ryugu has a texture like freeze-dried coffee

    Only about half of the asteroid Ryugu is rock; the rest is airy holes, a finding that could help reveal details of how the planets formed.

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  2. Planetary Science

    Coronavirus and technical issues delay a Mars mission’s launch

    The joint European-Russian ExoMars rover’s launch was postponed from July to 2022 so technicians could resolve issues with the landing equipment.

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  3. Astronomy

    The star Betelgeuse might just be dusty, not about to explode

    A new study suggests that dust recently expelled by Betelgeuse is why the star dimmed suddenly in late 2019 before brightening again.

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  4. illustration of satellites over Earth
    Space

    New fleets of private satellites are clogging the night sky

    As private companies launch dozens of satellites at a time, researchers are assessing the impact on ground-based telescopes.

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  5. illustration of the surface of a dark, rainy exoplanet
    Astronomy

    Heavy metal may rain from the skies of planet WASP 76b

    Astronomers saw hints of iron rain on an ultrahot gas giant, an exoplanet where starlike atmospheric temperatures drive weird weather.

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  6. Planetary Science

    Some ‘superpuff’ exoplanets may actually be ringed worlds like Saturn

    “Superpuff” planets look fluffy and light. But for some of the worlds, the effect could instead be explained by large, rocky rings, a study suggests.

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  7. Planetary Science

    Meet Perseverance, NASA’s newest Mars rover

    NASA’s next Mars rover will be called Perseverance.

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  8. Cecilia Payne-Gaposchkin
    Space

    Cecilia Payne-Gaposchkin revealed stars’ composition and broke gender barriers

    The book ‘What Stars Are Made Of’ celebrates the life of astronomer Cecilia Payne-Gaposchkin.

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  9. black hole explosion
    Space

    A black hole eruption marks the most powerful explosion ever spotted

    Hundreds of millions of years ago, a black hole blasted out roughly 100 billion times as much energy as the sun is expected to emit in its lifetime.

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  10. Earth's magnetic field
    Planetary Science

    An ancient magma ocean may have once driven Earth’s magnetic field

    Computer simulations of molten silicate under extreme temperatures and pressures may have just filled in a gap in the history of Earth’s magnetism.

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  11. solar eclipse
    Space

    50 years ago, scientists were studying why the sun’s corona is so hot

    In 1970, scientists were hoping to learn why the sun’s corona is so hot during an eclipse. Fifty years later, the corona’s magnetic field may hold some answers.

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  12. Planetary Science

    China’s moon rover revealed what lies beneath the lunar farside

    China’s Yutu-2 rover found layers of fine sand and coarse gravel under the surface of the moon’s farside.

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