Search Results for: Vertebrates

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1,539 results

1,539 results for: Vertebrates

  1. October 20, 1923

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  2. June 16, 1923

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  3. May 12, 1923

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  4. March 31, 1923

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  5. Paleontology

    Fossils found under tons of Kitty Litter

    Excavations at North America's largest Kitter Litter mine have yielded fossils of ancient aquatic reptiles, as well as evidence of a tsunami generated by the extraterrestrial impact that killed off the dinosaurs about 65 million years ago.

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  6. Paleontology

    How did Triceratops grow its horns?

    Newly discovered fossil skulls of juvenile Triceratops may help reveal how the dinosaurs grew their three trademark horns.

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  7. Paleontology

    CT scan unscrambles rare, ancient egg

    A tangled heap of bones and bone fragments in the bottom of an unhatched elephant bird egg may soon be reassembled into a model of the long-dead embryo, thanks to high technology—and scientists won't even have to crack open the egg to do it.

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  8. Paleontology

    Even flossing wouldn’t have helped

    Small particles trapped in minuscule cracks or pits in the teeth of plant-eating dinosaurs could give scientists a way to identify the types of greenery the ancient herbivores were munching.

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  9. Paleontology

    Fossils Indicate. . .Wow, What a Croc!

    Newly discovered fossils of an ancient cousin of modern crocodiles suggest that adults of the species may have been dinosaur-munching behemoths that grew to the length of a school bus and weighed as much as 8 metric tons.

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  10. Health & Medicine

    Puffer Fish Genomes Swim into View

    The tightly packed genomes of two puffer fish species have been deciphered.

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  11. Ancient Gene Takes Grooming in Hand

    A gene involved in body development also plays a critical role in regulating the grooming behavior of mice, a discovery that may advance the understanding of certain psychiatric disorders.

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  12. Paleontology

    Old Frilly Face: Triceratops’ relative fills fossil-record gap

    Fossils of a creature the size of a Texas jackrabbit cast new light on the early evolution of a group of horned dinosaurs that include the 8-meter-long Triceratops.

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