Search Results for: Dinosaurs

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1,961 results

1,961 results for: Dinosaurs

  1. Life

    Dinosaurs broiled, not grilled

    Debris from K-T impact could have been heat source and heat shield.

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  2. Life

    Life

    A look at killer dolphins, plus hibernating plankton, growing mammal brains and more in this week’s news.

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  3. Paleontology

    An ammonite’s last supper

    A detailed X-ray image of a fossil reveals an ancient marine creature’s diet.

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  4. Life

    Groovy teeth suggest dinosaur was venomous

    Fossils show depression in upper jaw that held venom-producing glands.

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  5. Letters

    Yawn and open your ears I read with interest your article on yawning (“Yawn,” SN: 5/7/11, p. 28). Over the years I have formulated a private theory on at least one of the reasons why we yawn and would like to share my speculations with your readership. My insight essentially began when I noticed that […]

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  6. Paleontology

    Dinos molted for a new look

    In one species, adolescents appear to have sprouted a new type of feathers as they matured.

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  7. 2010 Science News of the Year: Earth

    Credit: Alvaro Ybarra Zavala/Getty Images Inside the Haiti quake Some 230,000 Haitians died when a magnitude-7 earthquake struck just outside Port-au-Prince on the afternoon of January 12. Scientists from around the world scrambled to the scene (SN Online: 1/16/10) to assess which fault had ruptured and whether more people were at risk. Early ideas held […]

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  8. Earth

    Extinctions breed carbon chaos

    Massive die-off left ecosystems vulnerable, an analysis suggests.

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  9. Paleontology

    Tyrannosaurs lived in the Southern Hemisphere, too

    Australian fossils suggest the kin of T. rex dispersed globally 110 million years ago.

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  10. Life

    Just warm enough

    Mammals may have evolved a characteristic body temperature to avoid fungal infections without burning too hot.

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  11. Dinosaur Odyssey: Fossil Threads in the Web of Life by Scott D. Sampson

    The past three decades have seen a plethora of major discoveries, described here, about dinosaurs and prehistoric Earth. DINOSAUR ODYSSEY: FOSSIL THREADS IN THE WEB OF LIFE BY SCOTT D. SAMPSON University of California Press, 2009, 332 p., $29.95.

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  12. Paleontology

    Feather-covered dinosaur fossils found

    Scientists have uncovered a feather-laden, peacock-sized dinosaur that predates the oldest known bird.

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