WHERE: Dinosaur Journey, Fruita, Colo. COST: General admission to museum is $8.50 for adults, $6.50 for seniors, and $5.25 for children. When toothy beasts ruled the deep (around 80-90 million years ...

Scientists have discovered the fossils of a new prehistoric species in Morocco — a bizarre-looking marine lizard considerably larger than a great white shark, which, they say, dominated the seas while ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American During their grand Mesozoic heyday, dinosaurs ...

New research suggests early dinosaurs laid eggs with soft shells, and mosasaurs—gigantic marine reptiles—did so, too, laying soft-shelled eggs of massive proportions. Birds and crocodiles lay eggs ...

LONDON — What began with routine maintenance at a British nature reserve and reservoir has been hailed as a giant Jurassic "mega-find." Officials at Anglian Water and the Leicestershire and Rutland ...

Scientists have discovered a new giant species of mosasaur, Pluridens imelaki, that lived around 66 million years ago, based ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Austrosaurus was buried at sea. This was ...

Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater rivers alongside dinosaurs and crocodiles. A massive tooth found in North ...

Around 250 million years ago, what is today scorching desert in remote northwestern Australia was the shore of a shallow bay bordering a vast prehistoric ocean. Fossils recovered from this region over ...