If you think it sounds incongruous to describe the largest predatory dinosaur yet known as “half duck, half crocodile,” well, correct. But that’s the phrase University of Chicago paleontologist Paul ...

A group of paleontologists just announced it’s found “unambiguous evidence” suggesting that at least some species of Spinosaurus—a genus of theropod dinosaur that lived during the Cretaceous period in ...

A fossilized skull and jawbones found in Niger belonged to a creature that had a large, bony crest atop its head and lived some 95 million years ago. Named Spinosaurus mirabilis, it is the first ...