Paleontology

  1. Chixculub impact illustration
    Paleontology

    The Chicxulub asteroid impact might have set off 100,000 years of global warming

    About 66 million years ago, the Chicxulub asteroid impact set off 100,000 years of global warming, an analysis of oxygen in fish fossils suggests.

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  2. Paleontology

    Here’s how hefty dinosaurs sat on their eggs without crushing them

    Some heavier dinos had a strategy to keep eggs warm without crushing them: sit in an opening in the middle of the clutch instead of on top of them.

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  3. Ichthyornis dispar skull and illustration
    Animals

    This ancient fowl bit like a dinosaur and pecked like a bird

    A new fossil of Ichthyornis dispar helped scientists create a 3-D reconstruction of the ancient bird’s skull, shedding light on early bird evolution.

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  4. harbor seal
    Animals

    These seals haven’t lost their land ancestors’ hunting ways

    Clawed pawlike forelimbs help true seals hunt like their land-dwelling ancestors.

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  5. Micropterix aruncella
    Paleontology

    Colorful moth wings date back to the dinosaur era

    Microscopic structures that scatter light to give color to the wings of modern butterflies and moths date back almost 200 million years.

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  6. Glyptodon
    Life

    Fossils sparked Charles Darwin’s imagination

    Darwin’s Fossils recounts how finding extinct species in South America helped Charles Darwin develop his theory of evolution.

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  7. Saniwa ensidens
    Paleontology

    This ancient lizard may have watched the world through four eyes

    A lizard that lived 50 million years ago had both a third and a fourth eye.

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  8. Paleontology

    Readers debate dinosaur designation and more

    Readers had questions about the dino family tree and Venus' habitability.

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  9. dino illustration
    Paleontology

    New fossils are redefining what makes a dinosaur

    While some researchers question what characteristics define the dinosaurs, others are uprooting the dino family tree altogether.

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  10. fossil footprints
    Paleontology

    Fossil footprints may put lizards on two feet 110 million years ago

    Fossilized footprints found in South Korea could be the earliest evidence of two-legged running in lizards.

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  11. Chimerarachne yingi
    Paleontology

    This ancient creature looks like a spider with a tail

    A newly discovered ancient creature looks like a spider and has silk spinners and spidery male sex organs.

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  12. Paleontology

    Tiny scales in ancient lagoon may be the first fossil evidence of the moth-butterfly line

    Fancy liquid-sipper mouthparts might have evolved before the great burst of flower evolution

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