Uncategorized

  1. Planetary Science

    New Horizons gears up for its close encounter with Ultima Thule

    On January 1, the New Horizons spacecraft will fly by Ultima Thule, the first small Kuiper Belt object ever to get a close visitor.

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  2. Earth

    Erosion has erased most of Earth’s impact craters. Here are the survivors

    Earth’s largest known impact crater measures 160 kilometers in diameter. The newest, yet to be confirmed, stretches a still-whopping 31 kilometers.

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  3. Physics

    These sound waves can levitate and move particles in new ways

    A new machine that levitates objects using sound waves can manipulate several particles at once.

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  4. Health & Medicine

    Tumor ‘organoids’ may speed cancer treatment

    Growing mini tumors in a lab dish, researchers can screen compounds to find promising combinations for treating rare cancers.