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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

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

Artistic reconstruction of the type of weevil studied. Credit: James McKay

Fossil record analysis hints at evolutionary origins of insects’ structural colours

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

Life restoration of Elessaurus gondwanoccidens, from the Sanga do Cabral Formation (Lower Triassic), Brazil. Credit: Márcio L. Castro

New fossil from Brazil hints at the origins of the mysterious...

The common name “coquí” describes various species of frogs in the genus Eleutherodactylus and is derived from two species’ distinctive chirping calls. The common coquí, Eleutherodactylus coquí, is the national symbol of Puerto Rico. Photo courtesy of Alberto Lopez Torres

Coquí fossil from Puerto Rico takes title of oldest Caribbean frog

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

One of the biggest gaps in the arthropod fossil record was what the ancestors to millipedes and centipedes looked like, but now that gap has been filled. Credit: Katja Schulz/Wikimedia Commons

Aquatic ancestors of terrestrial millipedes characterized for the first time

Image: Rowan Webb

UNE creates world’s first online human skeleton

Although turtles belong to the reptiles, their skulls differs markedly from those of other members of this group. Credit: I. Werneburg

Shell puzzle: An additional piece added to the evolution of turtles

Holotype of calamitalean sphenopsid Annularia paisii sp. nov. showing an insect-induced gall

Annularia paisii : New species of ancient horsetail with gall with...

Flake of clear yellow amber from Anglesea, Victoria containing a new, beautifully preserved biting midge ca. 41 million years old. Credit: Enrique Peñalver.

Fossil trove sheds light on ancient antipodean ecology

Photograph of the fossil sandgrouse Linxiavis inaquosus (left) with a fabricated-color image (right) of the bird's skeleton based on CT scanning data Credit: IVPP

Sandgrouse : Six million-year-old bird skeleton points to arid past of...

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

Palaeobiologists have identified another new species of pterosaur

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