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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 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

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...

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

Reconstruction of the giant pterosaur Hatzegopteryx launching into the air, just after the forelimbs have left the ground. Credit: Mark Witton

Pterosaurs and other fossil flyers to better engineer human-made flight

Some of the world's oldest known dinosaur eggs and embryos. The clutch of Massospondylus carinatus eggs discovered in 1976 in Golden Gate Highland National Park, South Africa. Credit: Brett Eloff

The World’s Oldest Dinosaur Eggs

We know that birds, such as this Archaeopteryx, evolved from dinosaurs but there have been persistent questions about how common the feathers were amongst their extinct relatives © The Trustees of the Natural History Museum, London

The first dinosaurs probably didn’t have feathers

Image shows artwork of the Afrotapejara zouhrii. Credit: Megan Jacobs, Baylor University, Texas

Palaeobiologists have identified another new species of pterosaur

A new feathered dinosaur that lived in New Mexico 67 million years ago is one of the last known surviving raptor species, according to a new publication in the journal Scientific Reports. Dineobellator notohesperus adds to scientists' understanding of the paleo-biodiversity of the American Southwest, offering a clearer picture of what life was like in this region near the end of the reign of the dinosaurs. Credit: Sergey Krasovskiy

Dineobellator notohesperus : New feathered dinosaur was one of the last...

Dr Daniel Field holding a replica version of the 'Wonderchicken' skull

Wonderchicken : fossil from the age of dinosaurs reveals origin of...

This mural was originally made for a recent Royal Ontario Museum exhibit about a fossil ankylosaur named Zuul crurivastator. That fossil is found within a couple of meters stratigraphically/temporally of the site described in this paper. The last author on the study, David Evans, is the dinosaur curator at the Royal Ontario Museum and was also involved in the description of Zuul and design of that exhibit. Credit: Danielle Dufault, Royal Ontario Museum.

Late cretaceous dinosaur-dominated ecosystem

Roughly 66 million years ago an asteroid slammed into the Yucatan peninsula. New research shows darkness, not cold, likely drove a mass extinction after the impact. Credit: NASA

Darkness, not cold, likely responsible for dinosaur-killing extinction

Burmese amber with Oculudentavis skull nearly perfectly preserved inside. Credit: Lida Xing

Hummingbird : Smallest Known Dinosaur Found in Amber

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