Fossilized tracks evidence that dinosaurs swam
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Fossilized foot marks left by a big  meat-eater on a lake bed in northern Spain 125 million years  ago provide strong evidence that at least some dinosaurs were  good swimmers, scientists said on Thursday.
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A huge collision in space 160 million years ago set the dinosaurs on the path to extinction, a study claims.
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Elated scientists on Wednesday showed off a 130-million-year-old fossil that casts mammals in a new light by proving that in prehistoric times they fed on young dinosaurs.
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Chinese scientists said Friday they had found fossils belonging to six baby dinosaurs that died in a volcanic mudflow 125 million years ago.
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A fabled fossil goes on view for the first time in decades  -  and ignites a controversy
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New research reveals the Bristol dinosaur lived on small subtropical islands and not in a desert environment as first thought.
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Fossils found in the United States show dinosaurs lived along side their ancestors for tens of millions of years, disproving long-held theories assuming they quickly replaced their predecessors, according to a new study.
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In China, scientists have identified the fossilized remains of a tiny dinosaur in the stomach of a mammal. Scientists say the animal's last meal probably is the first proof that mammals hunted small dinosaurs some 130 million years ago.
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RIO DE JANEIRO -- Scientists have found well-preserved fossils of a new dinosaur species that lived 225 million years ago in southern Brazil but had its closest relatives in what is now Europe, Brazilian paleontologists said yesterday.
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An astonishing collection of fossil animals from southern Australia is reported by scientists.
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Chinese palaeontologists say they have found feathers on the fossilised legs of a primitive bird, which back controversial theories that birds descended from four-limbed dinosaurs.
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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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Blog: Paleontologists have found that precursors to dinosaurs weren't so rapidly replaced as previously thought.
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Two new fossilized pterosaur eggs have been discovered. The fossils suggest that the dinosaur-era flying reptiles lived in colonies and raised their young, experts say.
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A new fossil of a juvenile dinosaur that lived 140 million years ago is shedding light on how the ancient reptiles grew from youngsters to enormous adults.
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WASHINGTON -- A newly discovered fossil might be the remains of one of the first stealth hunters, a swimming dinosaur that could use its long neck to sneak up on prey and strike without warning.
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Dinosaurs shared the Earth for millions of years with the species that were their ancestors, a new study concludes.