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Ecology Dec 7, 2022

Dinosaurs were on the up before asteroid downfall, study finds

Scientists have long debated why non-bird dinosaurs, including Tyrannosaurus rex and Triceratops, became extinct—whereas mammals and other species such as turtles and crocodiles survived.

Evolution Dec 7, 2022

Chinese fossil shows modern bird skull evolved from a mixture of dinosaur and bird features

Scientists from the Institute of Vertebrate Paleontology and Paleoanthropology of the Chinese Academy of Sciences (IVPP) in Beijing and the Field Museum of Natural History in Chicago have revealed that birds retained key ...

Paleontology & Fossils Dec 2, 2022

Mongolian fossil is first known species of streamlined non-avian theropod dinosaur to walk on two legs

A team of researchers from Seoul National University, the University of Alberta and the Mongolian Academy of Sciences has identified the first known example of a streamlined, non-avian theropod dinosaur to walk on two legs. ...

Ecology Nov 29, 2022

New dinosaur egg species helps crack mystery of Cretaceous ecosystem in Japan

Giant skeletons aren't the only evidence that dinosaurs left behind. Tiny eggshell fragments can reveal aspects of Mesozoic ecosystems that fossilized bones and teeth fail to capture, especially because the skeletons of smaller ...

Evolution Nov 26, 2022

What if the dinosaurs hadn't gone extinct? Why our world might look very different

Sixty-six million years ago, an asteroid hit the Earth with the force of 10 billion atomic bombs and changed the course of evolution. The skies darkened and plants stopped photosynthesising. The plants died, then the animals ...

Paleontology & Fossils Nov 25, 2022

International team of researchers identifies new species of dinosaur

An international team of researchers has discovered a previously unknown species of dinosaur in western Romania and named it after its location in Transylvania: Transylvanosaurus platycephalus lived about 70 million years ...

Paleontology & Fossils Nov 21, 2022

Going to 'femoral head' of class to explain dinosaur evolution

Dinosaurs—and birds—wouldn't have been able to stand on their own two feet without some radical changes to their upper thigh bones. Now, a new study by Yale paleontologists charts the evolutionary course of these leggy ...

Paleontology & Fossils Oct 19, 2022

Ostrich-like dinosaurs found in Mississippi are among the world's largest ornithomimosaurs at more than 800 kg

Ostrich-like dinosaurs called ornithomimosaurs grew to enormous sizes in ancient eastern North America, according to a study published October 19, 2022, in the open-access journal PLOS ONE by Chinzorig Tsogtbaatar of the ...

Paleontology & Fossils Oct 19, 2022

'Swift-footed lizard' named Massachusetts state dinosaur

A "swift-footed lizard" that lived millions of years ago in what is now Massachusetts has been named the state's official dinosaur under legislation signed into law Wednesday by Gov. Charlie Baker.

Earth Sciences Oct 6, 2022

Impact that killed the dinosaurs may have triggered a 'mega-earthquake' that lasted weeks to months

Some 66 million years ago, a 10-kilometer asteroid hit Earth, triggering the extinction of the dinosaurs. New evidence suggests that the Chicxulub impact also triggered an earthquake so massive that it shook the planet for ...

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