In Argentina, scientists have identified Joaquinraptor casali, a new megaraptoran dinosaur species, with a crocodile relative bone in its jaws. This predator, reaching 23 feet, roamed the late ...

But it wasn't till 1980, when geologist Luis Alvarez and colleagues found a global band of iridium in Earth's crust dating to ...

Behind a Lowe’s in New Jersey, scientists uncovered 100,000+ fossils at Edelman Fossil Park—including a mosasaur, a giant ...

A fossil from the blustery plains of Patagonia is revising your book on one of the most elusive bands of hunting dinosaurs.

Scientists announced Tuesday the discovery of a new dinosaur in Patagonia, Argentina, with a crocodile bone in its jaw.

The new dinosaur, named Joaquinraptor casali, was about 23 feet (7 meters) long and weighed over 2,200 pounds.

Scientists in Argentina have unearthed a new dinosaur species, Joaquinraptor casali, believed to be a more powerful predator than the Tyrannosaurus.

In a fossil bed dating back 68 million years, scientists discovered the remains of a new species of megaraptor — a lithe, ...

Large aquatic lizards once populated the Earth’s oceans—and you can find their fossils in suburban New Jersey.

Speedy megaraptor Joaquinraptor casali had big arms and claws like hedge trimmers that would have made T. rex's forelimbs look puny.

Rock layers deposited before and after the major dinosaur extinction event 65 million years ago are surprisingly different.