All Stories

  1. Humans

    Blog: Remembering Sally Ride

    Astronomy writer Nadia Drake looks back on the astronaut’s reach.

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  2. Earth

    Night lights may foster depression

    In animals, chronic dim light triggers brain changes that disappear with the return of nightlong darkness.

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  3. Space

    Crowd sourcing comes to astronomy

    Researchers comb the Internet for snapshots of a comet and use the collected images to calculate its orbit.

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  4. Life

    Polar bears’ ancient roots pushed way back

    Full genetic blueprints suggest the animals split from brown bears millions of years ago.

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  5. Earth

    Earth scientists think it’s time to sync their geological clocks

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  6. Animals

    Tiny creature, giant sperm

    Giant sperm appear in various other species, including some flatworms, beetles and a fruit fly species, Drosophila bifurca, with sperm nearly 6 centimeters long.

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  7. Life

    Fake jellyfish so real it even swims

    Constructed of silicone and heart cells, medusoid moves like the real thing.

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  8. Life

    Little animals spread sperm for smelly mosses

    Sex-specific odors may entice springtails to kick off fertilization.

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  9. Particle Physics

    Higgs hysteria

    While some of the hype around the boson’s discovery was exaggerated, many aspects of the Higgs’ real value to science and society went un- or understated.

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  10. Math

    Test decodes dolphins’ math skills

    Dolphins could use mental math to locate prey in clouds of bubbles.

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  11. Health & Medicine

    Sperm analyzed, one by one

    A close look at the sex cell’s DNA reveals basic molecular processes.

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  12. Space

    Black hole theory deepens lithium crisis

    A new proposal suggests a potential new source of the element as astrophysicists try to explain why it’s in such short supply.

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