Planetary Science

  1. Planetary Science

    A volcano on Venus was spotted erupting in decades-old images

    A new look at old data reveals an eruption on Venus in the 1990s that was probably similar to Hawaii’s Kilauea eruption in 2018.

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  2. Earth

    A moon-forming cataclysm could have also triggered Earth’s plate tectonics

    Deeply buried remnants of a hypothetical planet that slammed into Earth 4.5 billion years ago might have set subduction into motion.

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  3. Space

    What has Perseverance found in two years on Mars?

    NASA's Perseverance rover has turned up volcanic rocks, signs of flowing water and some of the materials necessary for life.

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  4. Astronomy

    The Kuiper Belt’s dwarf planet Quaoar hosts an impossible ring

    Quaoar’s ring lies outside the Roche limit, an imaginary line beyond which rings aren’t thought to be stable.

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  5. Astronomy

    Lots of Tatooine-like planets around binary stars may be habitable

    A new simulation suggests that planets orbiting a pair of stars may be plentiful, and many of those worlds could be suitable for life.

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  6. Planetary Science

    Enceladus is blanketed in a thick layer of snow

    Pits on the Saturnian moon reveal the surprising depth of the satellite’s snow, suggesting its plume was more active in the past.

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  7. Planetary Science

    Methylated gases could be an unambiguous indicator of alien life

    On Earth, methylated gases are produced by organisms cleaning up their environment — and by little else. The same might be true on some exoplanets.

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  8. Space

    Io may have an underworld magma ocean or a hot metal heart

    New calculations support dueling ideas for what powers the ubiquitous volcanoes on the hellish surface of Jupiter’s innermost moon.

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  9. Planetary Science

    The last vital ingredient for life has been discovered on Enceladus

    The underground ocean on Saturn’s icy moon may contain phosphorus in concentrations thousands of times greater than those found in Earth’s ocean.

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  10. Planetary Science

    NASA’s Perseverance rover captured the sound of a dust devil on Mars

    A whirlwind swept over Perseverance while its microphone was on, capturing the sound of dust grains hitting the mic or the NASA rover’s chassis.

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  11. Planetary Science

    The pristine Winchcombe meteorite suggests that Earth’s water came from asteroids

    Other meteorites have been recovered after being tracked from space to the ground, but never so quickly as the Winchcombe meteorite.

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  12. Planetary Science

    Marsquakes hint that the planet might be volcanically active after all

    Seismic data recorded by NASA’s InSight lander suggest molten rock moves tens of kilometers below the planet’s fractured Cerberus Fossae region.

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