WASHINGTON, Feb 25 (Reuters) - In Argentina's Patagonia region 95 million years ago, some huge dinosaurs roamed the landscape ...

Baby dinosaurs weren’t coddled like lion cubs or elephant calves—they were more like prehistoric latchkey kids. New research ...

Dinosaurs weren't just large reptiles with offspring—they were ecosystem players whose adults and offspring lived in ...

The semi-aquatic dinosaur, Spinosaurus mirabilis, was discovered by an international team of scientists working in Niger.

Spinosaurus, the only known semiaquatic dinosaur predator, joins Tyrannosaurus, Giganotosaurus and Carcharodontosaurus among ...

Fossils reveal that long-necked baby dinosaurs were the main food source for large, voracious Jurassic predators.

Triceratops and similar horned dinosaurs had unusually large nasal cavities compared to most animals. Researchers, including those from the University of Tokyo, used CT scans of fossilized Triceratops ...

A rare dinosaur fossil on display at the Museum of the Rockies in Bozeman, Montana, tells a gory story. The skull from a ...

Paleontologists have unearthed a new dinosaur species in Niger, characterized by its long neck, massive horn and an unusual diet of fish.

A blade of bone lay half-buried in Saharan sand, shaped like a scimitar and tall enough to confuse the people who picked it ...

Experts have discovered a huge new species of fish-eating dinosaur. It has been named Spinosaurus mirabilis and scientists ...