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  1. Particle Physics

    Muon surplus leaves physicists searching for answers

    A glut of muons shows up in particle showers in the atmosphere.

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  2. Tech

    New technique shows cells’ molecules in color

    A new electron microscopy technique reveals cellular details in multicolor

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  3. Neuroscience

    Shape-shifting molecule aids memory in fruit flies

    A prionlike protein may store long-term memories in fruit flies, a new study suggests.

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  4. Genetics

    Cancer mutation patterns differ in smokers, nonsmokers

    The DNA of smokers shows more damage than the DNA of nonsmokers who have the same kind of cancer.

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  5. Climate

    Human CO2 emissions put Arctic on track to be ice-free by 2050

    Sea ice is shrinking by about three square meters for each metric ton of carbon dioxide emitted, new research suggests.

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  6. Health & Medicine

    50 years later, vaccines have eliminated some diseases

    Vaccines have come a long way in 50 years.

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  7. Tech

    Artificial intelligence needs smart senses to be useful

    Editor in chief Eva Emerson discusses the future of artificial intelligence.

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  8. Astronomy

    Readers unimpressed by Earth’s newest neighbor

    Exoplanet fatigue, runaway fish and more in reader feedback.

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  9. Tech

    For robots, artificial intelligence gets physical

    Physical intelligence makes robots able to sense of the world around them.

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  10. Archaeology

    People settled Australia’s rugged interior surprisingly early

    Ancient colonists Down Under crossed the continent not long after arriving around 50,000 years ago.

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  11. Genetics

    Gene gives mice and chipmunks their pinstripes

    A recycled regulator paints on rodents’ light stripes.

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  12. Genetics

    Genetic variant protects against rash of autoimmune diseases

    A natural tweak in the TYK2 protein strikes a balance between weak and overactive immune systems.

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