Scientists have discovered Spinosaurus mirabilis, a massive "hell heron" dinosaur that rivaled T. rex and hunted fish in ...

This specimen, given the nickname “Alna,” was unearthed in sandstone at a site called La Buitrera in northern Patagonia.

Spain discovers four 72-million-year-old dinosaur eggs in Guadalajara, preserved like authentic “time capsules.” ...

The horned species, named Spinosaurus mirabilis, had scimitar-shaped crests on the back that were sheathed in keratin. The ...

Only one specimen of Alcovasaurus has ever been found, named for the tiny Wyoming town of Alcova, where it was discovered ...

Scientists were “astonished” to find a new species of Spinosaurus with a scimitar-shaped bony crest—uncovered in the Sahara Desert.

Experts have discovered a huge new species of fish-eating dinosaur. It has been named Spinosaurus mirabilis and scientists say it lived nearly 100 million years ago. The fossil was found in the Sahara ...

Nyasasaurus parringtoni may take the crown as the oldest dinosaur fossil known to science. It lived during the Middle Triassic around 243 million years ago, and left behind remains that predate other ...

The 90-million-year-old fossil of a tiny bird-like dinosaur has rewritten history, say scientists. They described the discovery of a near complete skeleton of Alnashetri cerropoliciensis as the ...

Add Yahoo as a preferred source to see more of our stories on Google. Monument staff work on excavated dinosaur fossils in the Quarry Exhibit Hall Parking Lot. Workers at Dinosaur National Monument ...

BEIJING The remains of a giant, birdlike dinosaur as tall as the formidable tyrannosaur have been found in China, a surprising discovery that indicates a more complicated evolutionary process for ...