Feathers fly over key evidence in the rise of dino-birds
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Palaeontologists have fired a broadside over a fossil which is the cornerstone evidence to back the theory that birds descended from dinosaurs.
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New analysis of fossil bones indicates that adolescent Tyrannosaurus rex dinosaurs grew extremely rapidly, quickly reaching gigantic size.
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Just one week after finding feathers on the ancestor of Tyrannosaurus rex, Chinese and US scientists have announced the discovery of a dinosaur curled up like a sleeping cygnet.
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Underwater footprints reveal that some dinosaurs were capable of swimming, scientists report.
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Dinosaurs shared the Earth for millions of years with the species that were their ancestors, a new study concludes.
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Fossils  uncovered in New Mexico  show dinosaurs co-existed with a closely related group of reptiles for millions  of years before overtaking them to become the dominant land animals on Earth.
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The remains of a giant, birdlike dinosaur as tall as the formidable tyrannosaur have been found in China, a surprising discovery that indicates a more complicated evolutionary process for birds than originally thought
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NEW YORK -- During the age of dinosaurs, tiny squirrel-like creatures climbed trees and jumped into the darkness. Then they spread their limbs and glided away -- the first known mammals to take to the air, a new report says.
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Were early mammals timid creatures suitable only for eating? Not all of them, suggest two remarkable fossils from China
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Scientists have uncovered the fossil skeleton of a robust bird-like dinosaur that lived 70 million years ago.
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Paleontologists have discovered a species of protorosaur, and they think the fossils hold the solution to the mystery of long-necked dinosaurs.
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A fossilized bird embryo with feathers was found in northeastern China, which may be evidence that early birds were more developed at birth than their modern ancestors, according to a study in the journal Science.
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Paleontologists say they have discovered the fossil remains of a duck-size dinosaur species, previously unknown to science, that died while catching some z's.
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Science & environment: Dinosaurs may have been pushed towards extinction by humble insects, not meteorites
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A fossil discovered in the Gobi Desert has unlocked the most emphatic evidence to date that the mass extinction of the dinosaurs helped placental mammals -- of which Homo sapiens is a member -- become masters of the planet.
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The velociraptor, the fierce scaly-skinned dinosaur made popular by the film &quot;Jurassic Park,&quot; actually had feathers, according to a study published Thursday in the journal Science.
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The scientific world has just been given an amazing new insight into the complexities of human evolution. A team of Indonesian and Australian scientists has discovered fossils of a new human