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Scientists solve mystery of why these rare spider fossils were preserved

Enlarge / Fossilized spider from the Aix-en-Provence formation in France seen in hand sample overlain with fluorescent microscopy image of the same fossil. UV illumination causes the fossil to glow brightly, revealing more details about its preservation. (credit: Olcott et al., 2022) Scientists have long puzzled over the exceptional preservation of certain fossils of Cenozoic-era […]

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Titanosaur nesting spot found in Brazil

Enlarge (credit: Júlia d’Oliveira) They were the largest land creatures the Earth has ever known. But what survived millions of years of fossilization in one specific area of the Ponte Alta region of Brazil was not their massive bones, rather, it was their rare and relatively tiny eggs. And many of them! The first titanosaur […]

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Big triceratops was healing a hole in its head

Enlarge / Meet Big John. (credit: Zoic Limited Liability Company) It’s difficult to tell which feature of the triceratops is more striking: the two large horns that jut from its forehead or the large frill that extends out from the back of its skull. In the minds of many paleontologists, the two features appear to […]

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This extinct ten-armed fossil may be earliest known ancestor of vampire squid

Enlarge / An artistic reconstruction of the newly described 328-million-year-old vampyropod, Syllipsimopodi bideni . (credit: K. Whalen/Christopher Whalen) Paleontologists believe they have discovered a new genus and species of extinct cephalopod with ten functional arms, similar to a vampire squid . The 328-million-year-old fossil is the earliest known example of a vampyropod (ancient soft-bodied cephalopods) […]

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If Dilophosaurus ran the 100-meter against Usain Bolt, who would win?

Enlarge / University of Toledo physicist Scott Lee came up with the exercise to inspire undergrads in his introductory physics course. (credit: Aurich Lawson | Getty Images) The early Jurassic dinosaurs known as Dilophosaurus proved to be scene stealers in the 1993 blockbuster Jurassic Park , taking out a full-grown man who thought they were […]

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This fossilized fish’s skull is filled with feces

Enlarge / View of the fossilized skull of an extinct species of stargazer fish, showing preserved fecal pellets in the brain. (credit: Calvert Marine Museum) A fossilized cranium of an extinct species of stargazer fish was stuffed with tiny fecal pellets known as coprolites , according to a recent paper published in the journal Rivista […]

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Jurassic-period ammonite fossils flex their muscles in virtual 3D

Enlarge (credit: Lesley Cherns et al.) Researchers created a highly detailed 3D model of a 365-million-year-old ammonite fossil from the Jurassic period by combining advanced imaging techniques, revealing internal muscles that have never been previously observed, according to a paper published last month in the journal Geology. Another paper published last month in the journal […]

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A fossil site reveals an ancient sinkhole and its enormous occupant

Enlarge / Rebuilding the lower jaw of the Gray mastodon. (credit: ETSU Gray Fossil Site & Museum) Something has been discovered in Tennessee—something that only exists within one museum. It’s something enormous, slightly puzzling, and possibly the first of its kind discovered. Five years after its excavation, it remains incomplete. The mastodon skeleton slowly taking […]

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New study debunks controversial 2015 fossil find: It’s not a four-limbed snake after all

Enlarge / In this artist’s representation, Tetrapodophis amplectus glides through a tangle of branches from the conifer Duartenia araripensis that have fallen into the water, sharing this habitat with a water bug in the family Belostomatidae and small fish. (credit: Julius Csotonyi) The discovery of a rare Cretaceous fossil that could have been a missing […]

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Trapped in amber: Fossilized dinosaur-era crab bridges evolutionary gap

Enlarge Once upon a time, during the Cretaceous period, a tiny crab wandered out of the water onto land and somehow got trapped in amber, which preserved it for 100 million years. At least that’s what a team of scientists hypothesize might have happened in a new paper announcing their discovery of the oldest known […]