Paleontology

  1. an illustration of a Brontosaurus
    Animals

    50 years ago, scientists made the case for a landlubbing Brontosaurus

    In 1971, a scientist argued for a landbound Brontosaurus instead of a swampy swimmer. Recent evidence comes from studies of its ancient environment.

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  2. illustration of ancient bobbit worms
    Life

    Giant worms may have burrowed into the ancient seafloor to ambush prey

    20-million-year-old tunnels unearthed in Taiwan may have been home to creatures that ambushed prey similar to today’s monstrous bobbit worms.

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  3. megalodon shark jaws
    Paleontology

    Newborn megalodon sharks were larger than most adult humans

    Preserved pieces of backbone suggest that megalodon sharks were about 2 meters long at birth.

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  4. illustration of a long-necked dinosaur leaning down to drink from a river
    Paleontology

    How massive long-necked dinosaurs rose to rule the Jurassic herbivores

    New dinosaur fossil dates to same time as a volcanic surge, suggesting ensuing changes in plant life allowed these long-necked giants to emerge.

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  5. ancient amphibian skull
    Life

    An ancient amphibian is the oldest known animal with a slingshot tongue

    A tiny amphibian that lived 99 million years ago waited for invertebrate prey before snatching them with a swift, shooting tongue.

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  6. ancient North American and South American animals
    Paleontology

    Why South America’s ancient mammals may have lost out to northern counterparts

    When North and South America joined millions of years ago, mammals from the north fared better in the meetup. Extinctions in the south may be why.

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  7. Ice Age woman carrying a toddler illustration
    Humans

    The longest trail of fossilized human footprints hints at a risky Ice Age trek

    Researchers have discovered the world's longest trail of fossilized human footprints at White Sands National Park, New Mexico.

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  8. Ambopteryx longibrachium
    Paleontology

    Bat-winged dinosaurs were clumsy fliers

    The two known species of bat-winged dinosaurs were a dead end when it comes to the evolution of bird flight, a new study finds.

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  9. Megalodon shark illustration
    Paleontology

    Cannibalism in the womb may have helped megalodon sharks become giants

    The ancient sea terror Otodus megalodon may have grown to at least 14 meters long thanks to a firstborn pup’s predatory behavior, some researchers say.

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  10. Ancient ostracod species mating
    Animals

    A tiny crustacean fossil contains roughly 100-million-year-old giant sperm

    Giant sperm preserved in an ancient ostracod may be the oldest known sperm fossil, showing that giant sperm have existed at least 100 million years.

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  11. illustration on an ancient Lystrosaurus
    Paleontology

    Ancient Lystrosaurus tusks may show the oldest signs of a hibernation-like state

    Oddball ancestors of mammals called Lystrosaurus might have slowed way down during polar winters.

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  12. ichthyosaur fossil
    Paleontology

    This ichthyosaur died after devouring a creature nearly as long as itself

    Ichthyosaurs, marine reptiles generally thought to munch on soft prey like cephalopods, may have chowed down on fellow big marine reptiles, too.

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