News

  1. Physics

    Levitating plastic beads mimic the physics of spinning asteroids

    "Tabletop asteroids," buoyed by sound waves, hint at why some loosely bound space rocks have odd shapes and can’t spin too quickly.

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  2. Astronomy

    NASA’s exoplanet count surges past 5,000

    With a new batch of 60 confirmed exoplanets, the number of known worlds in our galaxy reaches another milestone.

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  3. Astronomy

    The universe’s background starlight is twice as bright as expected

    Images from the New Horizons spacecraft suggest that light from all known galaxies accounts for only half of the cosmos’ visible background glow.

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  4. Planetary Science

    Diamonds may stud Mercury’s crust

    Billions of years of meteorite impacts may have flash-baked much of a primitive graphite crust into precious gemstones.