Scientist Claims Tale of Dinosaur Forebears is in the Teeth
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SEYMOUR, Texas _ Robert T. Bakker picks out a 275 million-year-old tooth from the red-colored dirt on this massive northwest Texas ranch, examines it with a trained eye and promptly sticks it in his mouth.
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A new study of seabed sediments supports the idea that a single giant collision killed the dinosaurs, but supporters of multiple-impact theories remain unconvinced.
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The fossilised skull of a one-tonne rodent - the largest ever discovered - is described by scientists.
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The extinction of the dinosaurs 65 million years ago can be traced to a collision between two monster rocks in the asteroid belt nearly 100 million years earlier, scientists report on Wednesday.
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Science & environment: Â· Scientists shed new light on disputed skeleton findÂ· Bone analysis supports distinct species theory
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WASHINGTON - A newly discovered fossil may 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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Scientists believe they have found a new species of giant plant-eating dinosaur at a site in Argentina.
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A Swedish geologist has found what appears to be the oldest known fossil from a mammal ever found in Scandinavia &#151; a 145-million-year-old tooth from a prehistoric rodent, a Swedish university said Thursday.
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Villagers in central China spent decades digging up bones they believed belonged to flying dragons and using them in traditional medicines. Turns out the bones belonged to dinosaurs, and now scientists are doing the digging.
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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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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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A piece of jawbone found in a Devon cave is to be re-examined by scientists to see if it is from a Neanderthal man.
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A freshman geology student on a field trip stumbled across the fossil of an oversized, salamander-like creature with vicious crocodile-like teeth that lived about 300 million years ago, paleontologists said.
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Dinosaurs were dying out before Earth was struck by an asteroid impact that is widely thought to have been responsible for their extinction, two scientists claim.
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Scientists on Monday unveiled a replica of a skeleton scientists said was from the largest dinosaur species yet discovered in Brazil &#151; a mid-sized herbivore that roamed central Brazil some 80 million years ago during the late Cretaceous period.
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A re-examination of fossil specimens has disputed the assumption that the dinosaur Coelophysis practiced cannibalism.
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Contrary to the movie Jurassic Park, in which scientists recreate dinosaurs from ancient DNA, genetic material more than about 50 thousand years old cannot be reliably recovered.