All Stories

  1. Health & Medicine

    Pfizer’s COVID-19 vaccine is 90% effective, preliminary trial data show

    An analysis of 94 COVID-19 cases shows that the mRNA-based vaccine can protect people from getting sick, though the trial is ongoing.

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  2. Space

    Jupiter’s icy moon Europa may glow in the dark

    Europa’s potential “ice glow” could help scientists map the chemical composition of its surface — and the ocean underneath.

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  3. Genetics

    Penicillin allergies may be linked to one immune system gene

    Researchers have located a shared hot spot — on the HLA-B gene — in the immune system in people who say they have penicillin allergies.

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  4. Neuroscience

    FDA advisory panel declines to support a controversial Alzheimer’s treatment

    The fate of an Alzheimer’s drug, developed by pharmaceutical company Biogen, remains up in the air.

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  5. Readers ask about positronium, wild bees and more

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  6. In praise of serendipity — and scientific obsession

    Editor in chief Nancy Shute writes about the role of serendipity and scientific obsession played in this month's feature stories.

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  7. Tech

    A smartwatch app alerts users with hearing loss to nearby sounds

    With a new smartwatch app, users who are deaf or hard of hearing can get alerts that an alarm is going off or someone is knocking at the door.

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  8. Animals

    A blue-green glow adds to platypuses’ long list of bizarre features

    The discovery of platypuses’ fluorescent fur has researchers wondering if the trait is more widespread among mammals than anyone has realized.

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  9. Life

    An ancient amphibian is the oldest known animal with a slingshot tongue

    A tiny amphibian that lived 99 million years ago waited for invertebrate prey before snatching them with a swift, shooting tongue.

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  10. Plants

    How passion, luck and sweat saved some of North America’s rarest plants

    As the list of plants no longer found in the wild grows, botanists and conservationists search for signs of hope — and sometimes get lucky.

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  11. Space

    The Milky Way makes little galaxies bloom, then snuffs them out

    When dwarf galaxies cross the Milky Way’s frontier, our galaxy compresses their gas, sparking star birth, but then robs them of their star-making gas.

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  12. Anthropology

    Female big-game hunters may have been surprisingly common in the ancient Americas

    A Peruvian burial that indicates that women speared large prey as early as 9,000 years ago sheds new light on gender roles of ancient hunter-gatherers.

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