A multi-institutional, international team of evolutionary biologists, genetics specialists and phylogenomicists has found evidence that bird species began diversifying long before the dinosaurs went extinct.
The discovery of a spectacular fossil site in Argentina is helping shed new light on life at the end of the Cretaceous, the time period just before the non-avian dinosaurs went extinct.
Paleontology & Fossils
Oct 13, 2023
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260
Birds descended from theropod dinosaurs by the Late Jurassic, but our understanding of the earliest evolution of the Avialae, the clade comprising all modern birds but not Deinonychus or Troodon, has been hampered by a limited ...
Evolution
Sep 6, 2023
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151
When you think of dinosaurs, you might automatically imagine iconic dinosaurs such as Tyrannosaurus and Triceratops. But at the same time when these were stomping on the ancient coastal plains of North America, some of their ...
Paleontology & Fossils
Aug 30, 2023
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204
University of Alaska Fairbanks scientists have discovered and documented the largest known single dinosaur track site in Alaska. The site, located in Denali National Park and Preserve, has been dubbed "The Coliseum" by researchers.
Paleontology & Fossils
Aug 14, 2023
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Scientists from St Petersburg University as part of a research team have studied bones of hadrosaurid dinosaurs, or duck-billed dinosaurs, found in Chukotka. They were able to confirm that 66 million years ago the climate ...
Ecology
Aug 2, 2023
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Researchers at the Fundación Conjunto Paleontológico de Teruel-Dinópolis/ Museo Aragonés de Paleontología, Spain, have released the description of a new upper Jurassic dinosaur based on fossil remains found in Spain.
Non-avian dinosaurs were probably in decline long before an asteroid smashing into the Yucatan Peninsula 66 million years ago sealed their fate, according to a University of Alberta paleontologist who says the ancient tale ...
Evolution
May 24, 2023
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How old are butterflies, and where did they evolve? And perhaps more importantly, how and when did they reach the isolated continent of Australia?
Plants & Animals
May 21, 2023
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Irritator challengeri was a two-legged, meat-eating dinosaur, or more precisely—a spinosaurid. The knowledge of the species is based on the most complete fossil skull known from this group. With the aid of X-ray computed ...
Paleontology & Fossils
May 16, 2023
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