Spinosaurus was one of the largest and most mysterious predatory dinosaurs ever discovered, a gigantic sail-backed hunter ...

Until now, estimating how old a dinosaur was when it died has been a fairly simple process — just count up the growth rings in its fossilized bones. "We always thought that those rings were formed ...

Paleontologists in Argentina have discovered a new predatory dinosaur -- the fossils of which contained a crocodile bone within the dinosaur's mouth. The new species, dubbed Joaquinraptor casali, is ...

Researchers in Australia have confirmed that a crocodile that lived 93 million years ago ate a juvenile dinosaur as its last meal. Fossils of the crocodile Confractosuchus sauroktonos, which means ...