Search Results for: Vertebrates

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1,512 results
  1. Animals

    Sea butterflies’ shells determine how the snails swim

    New aquarium videos show that sea butterflies of various shapes and sizes flutter through water differently.

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  2. Earth

    An asteroid impact, not volcanism, may have made Earth unlivable for dinosaurs

    New simulations add to growing evidence that an asteroid strike, rather than the Deccan Traps eruptions, caused the end-Cretaceous extinction.

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  3. Animals

    Pufferfish may be carving mysterious ‘crop circles’ near Australia

    In 2011, scientists discovered that tiny pufferfish were sculpting Japan’s underwater “mystery circles.” Now, more circles have emerged in Australia.

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  4. Paleontology

    Spinosaurus fossil tail suggests dinosaurs were swimmers after all

    Unique among known dinosaurs, Spinosaurus had a finlike tail, which the predator may have used to propel itself through the water.

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  5. Animals

    Pug-nosed tree frogs use an auditory trick to evade predators and woo mates

    A new study finds that some tree frogs exploit what’s known as the precedence effect to get females attention safely.

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  6. Animals

    Cold War nuclear test residue offers a clue to whale sharks’ ages

    One unexpected legacy of the Cold War: Chemical traces of atomic bomb tests are helping scientists figure out whale shark ages.

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  7. Paleontology

    ‘Wonderchicken’ is the earliest known modern bird at nearly 67 million years old

    A new fossil find, dubbed the Wonderchicken, is a common ancestor of modern ducks and chickens.

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  8. Paleontology

    This dinosaur may have shed its feathers like modern songbirds

    One of the earliest flying dinosaurs, the four-winged Microraptor, may have molted just a bit at a time so that it could fly year-round.

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  9. Science & Society

    The board game Endangered shows just how hard conservation can be

    The new board game Endangered shows how working together is the only way for conservation to succeed.

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  10. Animals

    A wasp was caught on camera attacking and killing a baby bird

    Some wasps scavenge carrion or pluck parasites off birds, but reports of attacks on live birds are rare.

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  11. 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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  12. Animals

    Culling dingoes with poison may be making them bigger

    Meat laced with toxic powder has been used for decades to kill dingoes. Now, dingoes in baited areas are changing: They’re getting bigger.

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