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We summarize the week's scientific breakthroughs every Thursday.

  1. Animals

    What bees did during the Great American Eclipse

    A rare study of bees during a total solar eclipse finds that the insects buzzed around as usual — until totality.

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  2. Planetary Science

    Spiky ice spires may stud the equator of Jupiter’s moon Europa

    Fields of jagged ice spires, if they exist, could affect where future spacecraft land on the Jovian moon.

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  3. Cosmology

    The universe’s continued existence implies extra dimensions are tiny

    The strictest limits yet on the size of extra dimensions come from the fact that black holes haven't destroyed the universe.

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  4. Astronomy

    ‘Einstein’s Shadow’ explores what it takes to snap a black hole’s picture

    The new book offers a behind-the-scenes look at the Event Horizon Telescope’s attempt to image a black hole.

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  5. Planetary Science

    Saturn’s ‘ring rain’ is a surprising cocktail of chemicals

    NASA’s Cassini probe got a closeup view of the material falling from Saturn’s rings into the planet. The data could help illuminate the belts’ origins.

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  6. Astronomy

    Hubble may have spotted the first known exomoon

    A single sighting with the Hubble Space Telescope seems to confirm that there’s a Neptune-sized moon orbiting exoplanet Kepler 1625b.

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  7. Astronomy

    We may not have found aliens yet because we’ve barely begun looking

    A new calculation says SETI searches have combed the equivalent of a hot tub out of Earth’s oceans looking for extraterrestrial intelligence in space.

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  8. Earth

    Christopher Hamilton explores the architecture of other worlds

    Planetary scientist Christopher Hamilton uses Earth’s volcanic structures are a blueprint for how lava shapes other worlds.

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  9. Astronomy

    Paula Jofré makes stellar connections

    Astrophysicist Paula Jofré is a galactic archaeologist, mapping out generations of stars.

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  10. Planetary Science

    Readers contemplate water on Mars and more

    Readers had questions about the significance of finding water on mars, air pollution from wildfires and spray-on sensors.

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  11. Astronomy

    Astronomers may have spotted the birth of a neutron star

    Scientists say they’ve witnessed a type of neutron star called a pulsar being born in the wake of a massive supernova for the first time.

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  12. Planetary Science

    The first rovers to explore an asteroid just sent photos home

    Japan’s Hayabusa2 spacecraft has deployed a pair of rovers to the surface of asteroid Ryugu.

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