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E.g., 11/18/2017
E.g., 11/18/2017
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  • mammoth tusk fossil
  • Matheronodon provincialis
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Your search has returned 527 articles:
  • Science Ticker

    What male bias in the mammoth fossil record says about the animal’s social groups

    Male mammoths really had to watch their steps. More than two-thirds of woolly mammoth specimens recovered from several types of natural traps in Siberia came from males, researchers report November 2 in Current Biology.

    Paleogenomicist Patrícia Pečnerová of the Swedish Museum of Natural History in Stockholm and her colleagues examined genomic data recovered from 98 mammoth bone, tooth,...

    11/02/2017 - 12:15 Paleontology, Evolution, Ecology
  • Introducing

    New dinosaur sported a curious set of chompers

    An ancient vegetarian dinosaur from the French countryside has given paleontologists something to sink their teeth into.

    The most striking feature of a new species of rhabdodontid that lived from 84 million to 72 million years ago is its oversized, scissorslike teeth, paleontologist Pascal Godefroit, of the Royal Belgian Institute of Natural Sciences in Brussels, and his colleagues...

    10/26/2017 - 16:00 Paleontology
  • News

    T. rex’s silly-looking arms were built for slashing

    SEATTLE — Tyrannosaurus rex may have had small arms, but it was no pushover.

    This fierce dinosaur is known for its giant head, powerful jaws and overall fearsome appearance — except for those comical-looking arms. But the roughly meter-long limbs weren’t just vestigial reminders of a longer-armed past, paleontologist Steven Stanley of the University of Hawaii at Manoa said October 23 at...

    10/25/2017 - 15:30 Paleontology, Animals
  • Science Ticker

    Ancient whale turns up on wrong side of the world

    A new discovery is turning the hemispheric history of a mysterious whale species upside-down. Two fossils recently unearthed in Italy and Japan suggest that a southern whale was briefly a denizen of northern waters more than half a million years ago.

    Until now, all available evidence suggested that the pygmy right whale, Caperea marginata, and its ancestors have been steadfast Southern...

    10/09/2017 - 12:00 Animals, Paleontology
  • Science Ticker

    A baby ichthyosaur’s last meal revealed

    As far as last meals go, squid isn’t a bad choice. Cephalopod remains appear to dominate the stomach contents of a newly analyzed ichthyosaur fossil from nearly 200 million years ago.

    The ancient marine reptiles once roamed Jurassic seas and commonly pop up in England’s fossil-rich coast near Lyme Regis. But a lot of ichthyosaur museum specimens lack records of where they came from,...

    10/03/2017 - 02:00 Paleontology, Animals
  • News in Brief

    A baby ichthyosaur’s last meal revealed

    As far as last meals go, squid isn’t a bad choice. Remains of a squidlike cephalopod appear to dominate the stomach contents of an almost 200-million-year-old ichthyosaur fossil.

    Ichthyosaur bones commonly pop up on England’s fossil-rich coast near Lyme Regis. But a lot of museum specimens lack records, making their age difficult to place. Dean Lomax of the University of Manchester in...

    10/03/2017 - 02:00 Paleontology, Animals
  • Science Ticker

    Saber-toothed kittens were born armed to pounce

    Saber-toothed kittens were the spitting image of their parents. Even as babies, the cats not only had the oversized canine teeth but also unusually powerful forelimbs, Katherine Long, a graduate student at California State Polytechnic University in Pomona, and colleagues report September 27 in PLOS ONE.

    As adults, the ferocious felines used those strong forelimbs to secure wriggling prey...

    09/27/2017 - 14:00 Paleontology
  • Science Ticker

    This giant marsupial was a seasonal migrant

    The largest marsupial to ever walk the Earth just got another accolade: It’s also the only marsupial known to migrate seasonally.

    Diprotodon optatum was a massive wombat-like herbivore that lived in what’s now Australia and New Guinea during the Pleistocene, until about 40,000 years ago. Now, an analysis of one animal’s teeth suggests that it undertook long, seasonal migrations like...

    09/26/2017 - 19:05 Paleontology, Animals
  • First

    This giant marsupial was a seasonal migrant

    The largest marsupial to ever walk the Earth is also the only marsupial known to have ever migrated seasonally. Diprotodon optatum was a gigantic wombatlike herbivore that lived in what’s now Australia and New Guinea during the Pleistocene Epoch, until it died out about 40,000 years ago. A new analysis of an ancient tooth suggests that the marsupial went on long, seasonal migrations.

    ...

    09/26/2017 - 19:05 Paleontology, Animals
  • News

    Shhhh! Some plant-eating dinos snacked on crunchy critters

    Some dinosaurs liked to cheat on their vegetarian diet.

    Based on the shape of their teeth and jaws, large plant-eating dinosaurs are generally thought to have been exclusively herbivorous. But for one group of dinosaurs, roughly 75-million-year-old poop tells another story. Their fossilized droppings, or coprolites, contained tiny fragments of mollusk and other crustacean shells along...

    09/21/2017 - 09:00 Paleontology, Animals