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  1. Health & Medicine

    The opioid epidemic spurs a search for new, safer painkillers

    Today’s opioids stop pain — but they’re also dangerous. Scientists are hunting for replacements.

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  2. Paleontology

    Sea scorpions slashed victims with swordlike tails

    Ancient sea scorpion used a flexible, swordlike tail to hack at prey and defend against predators.

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  3. Planetary Science

    Why you can hear and see meteors at the same time

    People can see and hear meteors simultaneously because of radio waves produced by the descending space rocks.

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  4. Planetary Science

    Citizen scientists join the search for Planet 9

    Backyard Worlds: Planet 9, a citizen science project, lets space enthusiasts search for undiscovered objects in the sky, including a hypothesized planet at the far reaches of the solar system.

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  5. Astronomy

    Magnetism disrupts winds on ‘hot Jupiter’ exoplanet

    Simulations of HAT-P 7b’s magnetic field give clues to why the exoplanet’s winds blow both east and west.

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  6. Planetary Science

    Juno spacecraft reveals a more complex Jupiter

    NASA’s Juno spacecraft has sent back unexpected details about Jupiter, giving scientists their first intimate look at the giant planet.

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  7. Neuroscience

    Obscure brain region linked to feeding frenzy in mice

    Nerve cells in a little-studied part of the brain exert a powerful effect on eating, a mouse study suggests.

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  8. Earth

    Deep heat may have spawned one of the world’s deadliest tsunamis

    The 2004 Indonesian quake was surprisingly strong because of dried-out, brittle minerals far below.

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  9. Health & Medicine

    New test may improve pancreatic cancer diagnoses

    Blood test that detects five tumor proteins may someday help doctors better screen for pancreatic cancer.

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  10. Genetics

    The Zika epidemic began long before anyone noticed

    Zika spread undetected into Brazil and Florida, a genetic study suggests.

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  11. Life

    How a flamingo balances on one leg

    Flamingos’ built-in tricks for balance might have a thing or two to teach standing robots or prosthesis makers someday.

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  12. Planetary Science

    TRAPPIST-1’s seventh planet is a chilly world

    Follow-up observations of TRAPPIST-1 and its seven planets reveals details about the outermost one.

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