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 ...

Team finds surprising connection between dinosaurs and mammals

When thinking of fierce predators of the past, it's difficult not to imagine dinosaurs, considering theropods are well known for having blade-like teeth with serrated cutting edges used for biting and ripping their prey.

New predatory dinosaur added to Australia's prehistory

Evidence of agile, carnivorous two-legged dinosaurs known as noasaurids have been found across the now dispersed land masses that once formed the ancient southern supercontinent of Gondwana, but never in Australia—until ...

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