Dense bones allowed Spinosaurus to hunt underwater, study shows

Spinosaurus is the biggest carnivorous dinosaur ever discovered—even bigger than T. rex—but the way it hunted has been a subject of debate for decades. It's hard to guess the behavior of an animal that we only know from ...

Birdsong and human voice built from same genetic blueprint

Humans have long been fascinated by bird song and the cacophony of other avian sounds—from coos and honks to quacks and peeps. But little is known about how the unique vocal organ of birds—the syrinx—varies from species ...

Shark diversity unaffected when the dinosaurs were wiped out

A global catastrophe 66 million years ago led to the extinction of all non-avian dinosaurs, and large marine reptiles like mosasaurs and plesiosaurs. But what happened to the sharks? According to a study of sharks' teeth ...

Mammals in the time of dinosaurs held each other back

A new study led by researchers from the Oxford University Museum of Natural History, University of Oxford and the University of Birmingham for Current Biology has used new methods to analyze the variability of mammal fossils, ...

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