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Mass extinction changes rules of body size evolution

Scientists at Stanford University have discovered a surprising pattern in how life reemerges from cataclysm. Research published Oct. 6 in Proceedings of the Royal Society...

Scientists find a previously unknown mass extinction event

Sixty-three percent. That’s the proportion of mammal species that vanished from Africa and the Arabian Peninsula around 30 million years ago, after Earth’s climate shifted...

Scientists discover four dinosaurs in Montana this summer

A team of paleontologists from the University of Washington and its Burke Museum of Natural History and Culture excavated four dinosaurs in northeastern Montana...

Animals died in ‘toxic soup’ during Earth’s worst mass extinction, shows study

The end-Permian mass extinction event of roughly 252 million years ago—the worst such event in earth's history—has been linked to vast volcanic emissions of...

Modern snakes evolved from a few survivors of dinosaur-killing asteroid

A new study suggests that all living snakes evolved from a handful of species that survived the giant asteroid impact that wiped out the...

Who was the king before Tyrannosaurus?

Iconic tyrannosauroids like T. rex famously dominated the top of the food web at the end of the reign of the dinosaurs. But they didn’t...

Scientists retrace the lifetime journey of a 17,000-year-old Arctic woolly mammoth

Researchers have retraced the astonishing lifetime journey of an Arctic woolly mammoth, which covered enough of the Alaska landscape during its 28 years to...

Peabody fossils reveal dinosaur evolution in eastern North America

Tyrannosaurus rex, the fearsome predator that once roamed what is now western North America, appears to have had an East Coast cousin. A new study...

This giant Jurassic dinosaur allosaurus was a scavenger, not a predator

In a new study, scientists show that Allosaurus, a large carnivorous dinosaur from the Jurassic that has long been thought to be a top...

Scientists find first giant dinosaur fossils from early Cretaceous Hami pterosaur fauna

A joint Sino-Brazilian research team led by Dr. WANG Xiaolin from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of...