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URI graduate student Reilly Hayes (left) and undergraduate Amanda Bednarick examine an outcrop for fossils at Petrified Forest National Park as part of their research. Credit: Amanda Bednarick

Asteroid, climate change not responsible for mass extinction 215 million years...

The attached image shows Wightia declivirostris flying over an oxbow lake in the valley of the ancient Wessex River that flowed from Devon to the Isle of Wight. Credit: Megan Jacobs

Chinese pterodactyl wings its way to the United Kingdom

Normal and malformed spores from East Greenland. Credit: John Marshall

Erosion of ozone layer responsible for mass extinction event

Big theropod dinosaurs such as Allosaurus and Ceratosaurus ate pretty much everything -- including each other, according to a new study. Credit: PLOS ONE

In stressed ecosystems Jurassic dinosaurs turned to scavenging, maybe even cannibalism

Original artwork depicting the moment the asteroid struck in present-day Mexico. Credit: Chase Stone

Dinosaur-dooming asteroid struck earth at ‘deadliest possible’ angle

An artistic life reconstruction of Nannopterygius. Credit: Andrey Atuchin

Fishing rod ‘selfie stick’ and scientific sleuthing turn up clues to...

An artist’s impression of what an elaphrosaur may have looked like. Credit: Ruairidh Duncan

Elaphrosaur : Australia’s first elaphrosaur discovered in Victoria

Robert Reisz examined fossils from the embryos of Lufengosaurus, an early sauropodomorph species that predates more recognizable sauropods. Credit: David Mazierski

New research examining dinosaur tooth fossils provides crucial insight into vertebrate...

In this artist's depiction of wildlife from Alberta, Canada, 77 million years ago, the tyrannosaur Daspletosaurus hunts a young horned Spinops, while an adult Spinops tries to interfere and a Coronosaurus watches from a distance. Credit: Julius Csotonyi.

T. rex’s long legs were made for marathon walking

Marsupites

Strange hollow ball-like structures found in 80-million-year-old fossils

This two-billion-year-old shungite records evidence for balmy, oxygen-rich conditions on the early Earth. Credit: K. Paiste.

Ancient rocks show high oxygen levels on Earth 2 billion years...

A close-up image showing the damaged head and body of the Dorsetichthys bechei with the arms of the Clarkeiteuthis montefiorei clamped around it Credit: Malcolm Hart, Proceedings of the Geologists' Association

Fossil reveals evidence of 200-million-year-old ‘squid’ attack

Turns out, you really can’t believe everything you see in the movies. Credit: University of Wisconsin Oshkosh

Jurassic Park got it wrong: Research indicates raptors didn’t hunt in...

Published in PLOS ONE today, a study by an international team from the Perot Museum of Nature and Science in Dallas and Hokkaido University in Japan further explores the proliferation of the most commonly occurring duck-billed dinosaur of the ancient Arctic as the genus Edmontosaurus. The findings reinforce that the hadrosaurs - dubbed "caribou of the Cretaceous" - had a geographical distribution of approximately 60 degrees of latitude, spanning the North American West from Alaska to Colorado. Credit: Masato Hattori

Arctic Edmontosaurus lives again: A new look at the ‘caribou of...

Fossilized teeth from the ancient lizard Priosphenodon show that it had durable tooth enamel—a feature much more common in mammals, according to U of A paleontologists. Credit: Aaron LeBlanc

Ancient reptile had mammal-like tooth enamel, study shows

Life-like reconstruction of Adalatherium hui from the LateCretaceous of Madagascar. Credit: Denver Museum of Nature & Science/Andrey Atuchin.

Marooned on Mesozoic Madagascar

Predators abound on land, in the air and in water some 95 million years on the shores of northern Africa -- as shown by the abundant fossils in the Kem Kem region. Large herbivores, such as the long-necked sauropod Rebbachisaurus, could have been hunted or scavenged by several large predators. Credit: Artwork by Davide Bonadonna

Jurassic Park in eastern Morocco: Paleontology of the Kem Kem Group

Hypothetical outlines of †Ptychodus showing the minimum and maximum size estimations for the sub-adult specimen from Spain.

Giant teenage shark from the dinosaur era

About 75 million years ago, southern Alberta was a lush and warm coastal floodplain rich in plant and animal life, similar to Louisiana’s environment today. Credit: Luke Dickey // Special to Western News

Researchers offer glimpse into dinosaur ecosystems

Manchestercarpa vancouverensis. Credit: Brian Atkinson

Mahogany tree family dates back to last hurrah of the dinosaurs

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