Search Results for: Dinosaurs

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1,964 results

1,964 results for: Dinosaurs

  1. Life

    Dinosaur day care dads

    A new study shows some male dinosaurs may have been the primary caretakers of their young.

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  2. Earth

    Darwinopterus points to chunky evolution

    A newly discovered pterosaur had the legs of its ancestors and the head of its descendants.

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  3. Life

    Dinosaur fossil reveals creature of a different feather

    Paleontologists have discovered a fossil partially covered with broad, unbranched filaments — a type of structure previously theorized to exist on primitive feathered dinosaurs but not found until now.

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  4. Paleontology

    Soft tissue from a dino fossil

    Researchers have uncovered soft tissue and fragments of several proteins from a hadrosaur.

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  5. Paleontology

    Dino feathers may have had earlier origin than thought

    Researchers report that newly described dinosaur fossils suggest an ancient origin of feathers.

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  6. Life

    Dino-era delivery at sea

    Genetic determination of gender is linked to live birth and evolutionary success of ancient marine reptiles, study finds.

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  7. Earth

    Unicorn fly of the Cretaceous

    An ancient fly discovered trapped in amber sports a horn atop its head and topped with three eyes.

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  8. Earth

    North America’s smallest dino predator

    A new fossil analysis uncovers what may have been North America’s tiniest dino predator.

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  9. Earth

    Phytoliths as climate clues

    Tiny silica plant structures from soil could track temperature changes.

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  10. Life

    Elephant legs bend like ‘big human limb’

    Mechanics suggests the creatures are more limber than thought and use all their legs to come to a four-way stop.

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  11. Paleontology

    King of the ancient seas

    Paleontologists discover fossilized skeleton of bus-sized marine reptile that had teeth with serrated edges.

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  12. Letters

    Plan for a long stay Lawrence Krauss’ idea of staying permanently on Mars (SN: 10/10/09, p.4) is fascinating, but criticism by John F. Fay and Jeffry Mueller (Feedback, SN: 11/21/09 p.29) missed important information. Krauss too missed the best of all scientific comparisons. Regarding the travel to the American continent by the Pilgrims: the “capital […]

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