When Dinosaurs Ruled, a Mammal Ate (a Little) One
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Two newly discovered fossils show that a few early mammals were as large as a dog and spunky enough to devour juvenile dinosaurs.
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Large, carnivorous dinosaurs roamed  southern Australia 115 million years ago, when the continent  was joined to the Antarctica, and were padded with body fat to  survive temperatures as low as minus 30 degrees Celsius.
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Here's a dinosaur finding that parents can appreciate: The teenage Tyrannosaurus rex typically went through an explosive growth spurt, gaining nearly 5 pounds a day.
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By Chen Liang  In "The Age of Dinosaurs," it was not just birds and pterosaurs (winged reptiles) that flew as thought till now  there was also a "flying squirrel" which could glide down from treetops like a bat.
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They were the first animals with backbones to walk on land. They witnessed the rise and fall of the dinosaurs and were present at the birth of a bipedal ape who went on to become
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Science & environment: Fearsome dinosaur made famous in the Jurassic Park films probably more closely resembled a big turkey, scientists have discovered.
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Remains of a dinosaur the size of a double-decker bus have been recognised as belonging to a new species.
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LONDON - The earliest known relative of the mighty Tyrannosaurus rex had primitive feathers, probably to help it keep warm. Researchers at the Chinese Academy of Sciences in Beijing found the remains of the
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Researchers in China have unearthed the fossil remains of a parrotlike dinosaur surrounded by 34 juveniles. The find suggests dinosaurs were nurturing parents.
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A popular view that the Triassic dinosaur Coelophysis was a cannibal may be misplaced, a study concludes.
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Two fossil finds in China suggest that prehistoric mammals were bigger and badder than previously thought. At least one even ate dinosaurs for dinner.
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In a June 13 story about archaeologists discovering the fossil of a giant birdlike dinosaur, The Associated Press misspelled the name of a smaller, related dinosaur. The correct spelling is Caudipteryx, not Caudiperyx.
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Researchers find evidence that dinosaurs reached sexual maturity earlier than believed.
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A gigantic bird-like dinosaur weighing as much as a car towered over its relatives about 70 million years ago, a new finding suggests.   The unearthed beaked dinosaur  was not full-grown, yet it tipped the scales at more than 3,000 pounds. Paleontologists who discovered its remains estimate the behemoth was just 11 years old when it perished.   Chinese scientists unearthed the skeletal remains of the dinosaur, now named Gigantoraptor erlianensis, in the Erlian Basin of Inner Mongolia, China. ...
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The mystery of whether dinosaurs were indifferent parents or cared for their young may have been solved by a discovery in China. More than 100 million years ago an adult dinosaur was buried
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Ducks may have been paddling about in primeval swamps when Tyrannosaurus rex was king of the dinosaurs, scientists report in Nature.
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The ascent of the dinosaurs to the  throne of the animal kingdom may have been more gradual than  previously believed, scientists said on Thursday.