Now, just a few weeks after tiny, early Raptorex kriegsteini was unveiled, a new wrench has been thrown into the family tree of the tyrannosaurs. The new Alioramus altai—a horned, long-snouted, gracile cousin of Tyrannosaurus ...
Archaeology
Oct 5, 2009
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(PhysOrg.com) -- When pondering the demise of a famous dinosaur such as 'Sue,' the mighty Tyrannosaurus rex whose fossilized remains are a star attraction of the Field Museum in Chicago, it is hard to avoid the image of clashing ...
Archaeology
Sep 29, 2009
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(PhysOrg.com) -- A 9-foot dinosaur from northeastern China had evolved all the hallmark anatomical features of Tyrannosaurus rex at least 125 million years ago. University of Chicago paleontologist Paul Sereno and five co-authors ...
Archaeology
Sep 17, 2009
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(PhysOrg.com) -- A North Carolina State University paleontologist has more evidence that soft tissues and original proteins can be preserved over time - even in fossilized remains - in the form of new protein sequence data ...
Archaeology
Apr 30, 2009
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The discovery of a petite, plant-eating dinosaur with primitive plumage could mean that the dinosaur from which all others evolved had feather-like protrusions, said a study released Wednesday.
Archaeology
Mar 18, 2009
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Massive predators like Albertosaurus and Tyrannosaurus rex may have been at the top of the food chain, but they were not the only meat-eating dinosaurs to roam North America, according to Canadian researchers who have discovered ...
Archaeology
Mar 16, 2009
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1
Currently, only seven species of sea turtles exist. Among them are two in the genus Lepidochelys: the olive ridley and the Kemp's ridley. Despite being among the most common sea turtles in much of the Caribbean Sea and elsewhere, ...
Paleontology & Fossils
Sep 28, 2023
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327
A team of archaeologists and paleontologists affiliated with several institutions in China, working with a colleague from Italy, has identified a new species of theropod dinosaur with strange hand features. In their paper ...
Modern birds capable of flight all have a specialized wing structure called the propatagium without which they could not fly. The evolutionary origin of this structure has remained a mystery, but new research suggests it ...
Evolution
Feb 24, 2023
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1140
It is now widely accepted that birds are descended from dinosaurs. It is also understood that this transition encompasses some of the most dramatic transformations morphologically, functionally, and ecologically, thus eventually ...
Evolution
Jan 3, 2023
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