Some extinct crocs were vegetarians

Based on careful study of fossilized teeth, scientists Keegan Melstom and Randall Irmis at the Natural History Museum of Utah at the University of Utah have found that multiple ancient groups of crocodyliforms—the group ...

A new normal: Study explains universal pattern in fossil record

Throughout life's history on earth, biological diversity has gone through ebbs and flows—periods of rapid evolution and of dramatic extinctions. We know this, at least in part, through the fossil record of marine invertebrates ...

Baby pterodactyls could fly from birth

A breakthrough discovery reveals that pterodactyls, extinct flying reptiles, had a remarkable ability—they could fly from birth. The importance of this discovery is highlighted by the fact that no other living vertebrates ...

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