The Dinosaur National Monument, which is located on the border between Colorado and Utah, was last excavated in 1924.

High in the remote folds of the Andes, at more than 3,000 meters above sea level, Argentine researchers have unearthed something both ancient and unexpected: the fossilized remains of a small, ...

The earliest known armored dinosaur did not just carry a few defensive plates, it bristled with spikes so extreme that its neck looked like a living barricade. New research on this Jurassic ankylosaur ...

The Quebrada de Santo Domingo in Argentina is a harsh environment. Situated high in the Andes, the area is nearly inhospitable with winds whipping through the mountains and temperatures plummeting.

WASHINGTON — The discovery of the oldest dinosaur embryos ever found is enabling scientists to piece together the lifetime growth of a long-necked giant that lived 190 million years ago. Years of ...

The Finke River flows through sandstone cliffs and rugged terrains of central Australia, creating oasis-style landscapes and ...

Researchers in the Andes of Argentina discovered one of the oldest known dinosaurs as a species new to science. Lucas Fiorelli (CRILAR-CONICET), Martín Hechenleitner (CRILAR-CONICET) and Léa Leuzinger ...