Search Results for: Dinosaurs

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1,961 results

1,961 results for: Dinosaurs

  1. Earth

    Earliest birds didn’t make a flap

    The feathers of Archaeopteryx and Confuciusornis probably were not strong enough to support sustained flight.

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  2. Earth

    Gassy volcanoes tied to mass extinction

    Chemicals from a massive Siberian eruption 250 million years ago may have polluted the atmosphere and killed off most life on the planet.

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  3. Earth

    Oldest feathered dino shows its colors

    Analysis of a fossil suggests plumage first evolved for display, not flight.

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  4. Dressing up dinos

    Adding soft tissue to bone helps scientists, paleoartists bring ancient creatures to life.

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  5. Paleontology

    New fossil helps solidify dino origins

    The dog-sized creature bolsters the notion that early dinosaurs first appeared in what is now South America.

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  6. Letters

    Making morphine The article “Chemists pin down poppy’s tricks for producing narcotic painkiller” (SN: 4/10/10, p. 5) may presage geopolitical changes in Afghanistan, regardless of whether there are engineered virus attacks or alternative crop programs. A technological advance like this one will eventually be used in the United States and Europe. Even if governments continue […]

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  7. Paleontology

    Sail-backed dinos had semiaquatic lifestyle

    Isotopic analyses of fossils suggest the carnivores had crocodile-like habits.

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  8. Book Review: Dinosaurs (book series) by Matteo Bacchin and Marco Signore

    Review by Janet Raloff.

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  9. Book Review: The Whale: In Search of the Giants of the Sea by Philip Hoare

    Review by Sid Perkins.

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  10. Paleontology

    Small ancestor of giant sauropods unearthed

    Fossils suggest that the bipedal dinosaur occasionally walked on all fours and could open its mouth wide to gather foliage.

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  11. Earth

    2009 Science News of the Year: Earth

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  12. Life

    Three dino types may be just three dino ages

    Study suggests three dinos placed in separate taxa are actually from one group at different growth stages

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