Computer imaging of Archeopteryx skull suggests this dinosaur-bird link could fly
AUSTIN, Texas Using computer imaging to model a fossil of an ......"This animal had huge eyes and a huge vision region in its brain to go along with that, and a great sense of balance," said Dr. Timothy Rowe. "Its inner ear also looks very much like the ear of a modern bird."... ...Rowe co-directs the university's High-Resolution X-ray Computed Tomography (UTCT) facility, where h...90 million year old dino tracks found on resort island
During fieldwork conducted throughout the month of June, an international...team of Canadian and Croatian paleontologists and geologists, led by Dr. Michael Caldwell of the University of Alberta in Edmonton, Canada, and Mr. Jakov Radovcic of the Croatian Museum of Natural History in Zagreb, found...90 million year old dinosaur tracks and trackways on the island of Hvar,...Croatia. ......The t...Two dinosaurs from Africa give clues to continents' split
The fossil skull of a wrinkle-faced, meat-eating dinosaur whose cousins lived as far away as South America and India has emerged from the African Sahara, discovered by a team led by University of Chicago paleontologist Paul Sereno. The find provides fresh information about how and when the ancient southern continents of Africa, South America and India separated.... ...The new species, which is...A lost world: Two previously unknown dinosaurs discovered in Antarctica
Arlington, Va.-- The National Science Foundation (NSF) invites...members of the news media to hear about the discoveries of...fossils of two dinosaurs believed to be new to science. Against...incredible odds, researchers working in separate sites, thousands...of miles apart in Antarctica recently found what they believe are...the fossilized remains of an early plant-eating dinosaur and a...meat-e...Dinosaur fossil record compiled, analyzed
A graduate student in earth and planetary sciences in Arts & Sciences at Washington University in St. Louis has combed the dinosaur fossil record from T Rex to songbirds and has compiled the first quantitative analysis of the quality and congruence of that record. ... Julia Heathcote, whose advisor is Josh Smith, Ph.D., Washington University assistant professor of earth and planetary sciences, ex...Dinosaur symposium at the Smithsonian Institution
The Smithsonian's National Museum of Natural History will host "Dinosaurs in the New Millennium," the museum's first symposium on dinosaur science, Saturday and Sunday, Dec. 13-14. All events are free and open to the public and will be held in the Museum's Baird Auditorium. Scientists, dinosaur enthusiasts and families are all invited to attend....... The public symposium, organized and hosted...Princeton paleontologist produces evidence for new theory on dinosaur extinction
As a paleontologist, Gerta Keller has studied many aspects of the history of life on Earth. But the question capturing her attention lately is one so basic it has passed the lips of generations of 6-year-olds: What killed the dinosaurs?... ...The answers she has been uncovering for the last decade have stirred an adult-sized debate that puts Keller at odds with many scientists who study the quest...Is this what killed the dinosaurs?
The extinction of the dinosaurs thought to be caused by an asteroid impact some 65 million years ago was more likely to have been caused by a 'mantle plume' a huge volcanic eruption from deep within the earth's mantle, the region between the crust and the core of the earth. ...This theory, already supported by a significant body of geologists and palaeontologists, is strengthened by new eviden...Dinosaur, crab fossils reveal ecosystem secrets
For centuries, they wouldn't be caught dead next to each other. ... But now a team of geologists directed by Joshua Smith, Ph.D., assistant professor of earth and planetary sciences at Washington University in St. Louis, have found a well-preserved fossil of a crab within inches of a tail vertebra from a massive plant-eating dinosaur. ...Necrocarcinidae (crab) meet titanosaurian sauropod (dino...New study suggests missing link that explains how dinosaurs learned to fly
Arlington, Va.-- Two-legged dinosaurs may have used their forelimbs as wing-like structures to propel themselves rapidly up steep inclines long before they took to the skies, reports a University of Montana researcher in the January 17 issue of the journal Science. The new theory adds a middle step that may link two current and opposing explanations for how reptiles evolved into flying birds. .....Seven-foot living 'dinosaur' lurks in Oregon
NEW YORK (Dec. 19) -- What's seven feet long, 250 million years old, and currently lurking in the depths of Oregon's Rogue River? It's the green sturgeon, the craggy, shark-like fish that has quietly eked out a living since the time of the dinosaurs. But according to a new study published by researchers from the Bronx-Zoo based Wildlife Conservation Society and other groups, this living fossil...Dinosaur ancestor's vision possibly nocturnal
Call it "Triassic Park": with statistics, instead of amber-preserved DNA, researchers at the Howard Hughes Medical Institute at The Rockefeller University and Yale University recreated in the test tube a functional pigment that would have characterized the eyes of archosaurs ("ruling reptiles") and allowed these direct ancestors to dinosaurs to see in dim light....... The pigment, rhodopsin, was...Dinosaur discoveries in Montana
The Smithsonian's National Museum of Natural History and a team of dinosaur experts and preparators from the Museum of the Rockies at Montana State University in Bozeman, Mont., have discovered and excavated new fossil dinosaur specimens in Montana. Two Tyrannosaurus rex specimens and a Triceratops specimen are among the discoveries at 12 excavation sites near Hell Creek, Mont. A helicopter wil...Scientist says ostrich study confirms bird 'hands' unlike those of dinosaurs
CHAPEL HILL -- To make an omelet, you need to break some eggs. Not nearly so well known is that breaking eggs also can lead to new information about the evolution of birds and dinosaurs, a topic of hot debate among leading biologists. ...Drs. Alan Feduccia and Julie Nowicki of the University of North Carolina at Chapel Hill have done just that. They opened a series of live ostrich eggs at vario...Cosmic impacts implicated in both the rise and fall of dinosaurs
NEW BRUNSWICK/PISCATAWAY, N.J. New abilities to detect layers of "space dust" in the earth's crust are building geological evidence that comets or asteroids colliding with earth not only helped wipe out the dinosaurs, but may have originally helped bring them to prominence about 200 million years ago....... Dennis V. Kent, Rutgers geology professor, was among a team of geologists who analyzed f...New dinosaur related to Triceratops
......... ... ......CHICAGO - Two fossils of a newly discovered dinosaur - an early, distant cousin of the Triceratops - have been discovered in China, according to research that will be published in Nature March, 21, 2002. ... ...But rather than weighing ten tons and being studded with massive horns and a wide frill, like its well-known cousin, the new dinosaur weighed only about seven pounds...New species clarifies bird-dinosaur link
... ...CHICAGO The discovery and analysis of an early carnivorous dinosaur, Sinovenator changii, are clarifying the evolutionary relationship between dinosaurs and birds, according to a paper to be published in Nature Feb. 14, 2002.... ...The small, relatively complete fossil was found in the rich Yixian Formation of western Liaoning in China, where scientists have recently discovered many grou...Student discovers well-preserved embryo in dinosaur egg
A North Carolina State University graduate student has discovered that a dinosaur egg unearthed more than 30 years ago in Alabama contains well-preserved and incredibly detailed remains of a nearly hatched dinosaur embryo. ... ...James Lamb, who is pursuing a doctoral degree in geology with a concentration in paleontology, says further studies of the embryo could reveal new clues about dinosaurs...Dinosaurs had a "rostral nostril," says Science researcher
... ... ... ...A new study in the 3 August issue of the journal suggests that the external fleshy nostril of dinosaur noses may have been perched far forward, in a "rostral" pos...Dinosaurs' large noses may have been key to physiological processes
......With only bones for clues, scientists continue to puzzle over many details of dinosaur appearances and physiology. Detective work by a paleontologist at Ohio University now indicates that the creatures' fleshy nasal passages were larger than had been thought, which could lead to more-realistic depictions and greater understanding of their respiratory functions.... ...In the August 3 issue...New study puts dinosaur noses in their place
ATHENS, Ohio To the average dinosaur enthusiast, it may seem like an arbitrary question: Where, exactly, were dinosaurs' nostrils? But according to a study that pinpoints a new position for the nostrils, the answer could help explain how the creatures found food, detected predators, reproduced and regulated brain and body temperature. ... ... The study, reported in the Aug. 3 issue of the journa...NSF program director press statement on dinosaur nasal discovery
Statement by ......DR. JACK HAYES ...PROGRAM DIRECTOR FOR ECOLOGICAL AND ...EVOLUTIONARY PHYSIOLOGY, ...NATIONAL SCIENCE FOUNDATION... ...On dinosaur nasal discovery... ......The National Science Foundation (NSF) is proud to have funded this research by Lawrence Witmer of Ohio University. Witmer's work is important because it helps biologists to more realistically depict the soft tissue biolog...Penn paleontologists locate a new genus of colossal dinosaur along an ancient coastline
.PHILADELPHIA -- University of Pennsylvania researchers have unearthed a new genus of gargantuan dinosaur in a corner of Egypt that paleontologists had all but ignored since World War II, when earlier finds stored in German museums were blasted from existence by Allied warplanes. In the June 1 issue of Science, the Penn team reports on its discovery of Paralititan stromeri, one of the most mass...Discovery of 'tidal giant'--a new Egyptian dinosaur--reported in Science
The partial skeleton of a massive sauropod dinosaur, unearthed at an Egyptian site that its discoverers call "dinosaur heaven," makes its debut in the 1 June issue of the international journal , the dinosaur is one of the largest ever discovered from the Cretaceous period (about 146 to 65 million years ago) in Africa, and may be the second most massive dinosaur ever found.... ... The discovery...First dinosaur found with its body covering intact; displays primitive feathers from head to toe
. . . . Discovery of remarkably preserved fossil dinosaur from China . on display at American Museum of Natural History beginning April 25. . (New York - April 25, 2001) A team of Chinese and American scientists announced today in Nature the discovery of a remarkably preserved, 130-million-year-old fossil dinosaur covered from head to tail with downy fluff and primitive feathers. It is the f...Museum dinosaur labs draw international researchers
. BOZEMAN, Mont. When you have dinosaur fossils in your basement and the hospital down the street does CT scans for you, you get calls from researchers around the world. Especially when your computer can handle 3-D photos and you can send digital images over the Internet.. That's what Jack and Celeste Horner have found at the Museum of the Rockies at Montana State University in Bozeman. . Jack...A bizarre new predatory dinosaur unearthed on Madagascar
. . . .Fossilized remains of a small and bizarre predatory (or theropod) dinosaur were recently recovered on the island of Madagascar. The discovery was announced today in the journal Nature by a team of researchers led by paleontologist Dr. Scott D. Sampson of the University of Utah. Additional authors on the paper are Dr. Matthew T. Carrano and Dr. Catherine A. Forster, both from the State U...New predatory dog-sized dinosaur unearthed on Madagascar
. . Fossilized remains of a bizarre, dog-sized predatory dinosaur .were recently recovered on the island of Madagascar. . The discovery, funded in part by the National Science Foundation .(NSF), was announced this week in the journal Nature by a team of .researchers led by paleontologist Scott Sampson of the University of .Utah. Matthew Carrano and Catherine Forster from the State .University...New rare dinosaur tracksite found in northern Wyoming
.BLOOMINGTON, Ind. -- The dinosaur record of the Middle Jurassic period (159-187 million years .ago) is considered sparse worldwide, with relatively little known about dinosaurs from this .period. However, recent discoveries of the most extensive Middle Jurassic dinosaur tracksites .in North America are changing that.. In 1997, near the town of Shell in the Bighorn Basin of northern Wyoming, In...Venomous dinosaurs really existed
.The poison-spitting dinosaurs in the film Jurassic Park were pure Hollywood invention, but some dinosaurs may really have had a venomous bite. . The revelation comes from a two-centimetre tooth found in Mexico that has a longitudinal groove like those in the venom-channelling fangs of some snakes. It's the first evidence that any dinosaurs were venomous. . The curved, blade-like tooth ca...Newly found bipedal reptile fossil predates dinosaurs by more than 60 million years
. . .The oldest known fossil of an upright, bipedal reptile, which predates the age of the dinosaurs by at least 60 million years, has been discovered by an international team of scientists including two University of Toronto paleontologists.. ."There are only a couple of times in evolutionary history when animals have gone from a sprawled posture like that of a four-legged lizard to an upright...Dinosaurs: New study counters age-old theory
. Movies such as Jurassic Park and the acclaimed BBC television series Walking with Dinosaurs . . portray long-necked dinosaurs as raising their necks vertically to browse from the tops of . . trees.. . And while most dinosaur palaeontologists also believe long-necked dinosaurs - collectively . . known as sauropods - behaved this way, a leading Adelaide University researcher has just . ....Microscopic bone evidence supports dinosaur-bird evolution link
.The popular notion that birds evolved from dinosaurs has come under assault recently with the discovery of fossil evidence of a feathered reptile that pre-dates birds. Now a researcher at the Burke Museum of Natural History and Culture at the University of Washington and a Japanese colleague have found similarities in bone structure suggesting that birds did, in fact, evolve from a group of din...Feathers on reptile older than dinosaurs, reported in Science
.Washington DC - A small, flying reptile older than most dinosaurs may have sported a set of feathers, suggests a study in the 23 June issue of . . .According to the interpretation by Terry Jones, of Oregon State University, and coauthors, the strong similarities between the fossil feathers and modern day bird feathers suggest an evolutionary link between the two. . .Although the exact relation...Ancient feathered animal challenges dinosaur-bird link
. CORVALLIS, Ore. -- Scientists today announced the discovery of the oldest animal ever known to have feathers, which may have been the ancestor of birds but clearly was not a dinosaur -- a discovery that calls into serious question many theories about an evolutionary link between dinosaurs and birds.. . Paleontologists at Oregon State University say the animal, Longisquama insignis, was a small...Researchers to announce remarkable fossil discovery bearing on ancient birds, dinosaurs
. . .University of North Carolina at Chapel Hill researchers will share findings from one of the most remarkable fossils ever unearthed at a 1:30 p.m. news briefing Thursday (June 22). The discovery, which will be described in the journal Science June 23, will be discussed in Room 304 Coker Hall.. .Reporters are invited to learn about the research, which involved an international team of U.S. a...Medical imaging shows dinosaur heart more like bird's or mammal's than reptile's
... ... ...Washington D.C. -- A computerized tomography (CT) scan of the chest cavity of a new dinosaur fossil reveals a heart more closely resembling a bird or mammal organ, rather than a modern reptile's. This discovery, which suggests that the dinosaur was warm-bloode...Scientists discover 66-million-year-old dinosaur with a heart
.Scientists at North Carolina State University and the North Carolina Museum of Natural Sciences have discovered the world's first dinosaur specimen with a fossilized heart. They report the historic finding in the April 21 issue of the journal Science. The fossil is on display in the museum's new $71-million building, which opened April 7. . "Not only does this specimen have a heart, but comput....The dinosaurs may have perished in a gas-fuelled firestorm of unimaginable intensity, claims a team of American oceanographers. They believe the impact of a giant asteroid or comet in the Gulf of Mexico unleashed vast quantities of methane that set the air ablaze.. . At the end of the Cretaceous period, about 65 million years ago, huge amounts of methane generated by rotting vegetation lay trap...