Meet Huayracursor jaguensis, one of the world’s oldest dinosaurs whose almost complete skeleton was found in an unexplored region of Argentina.

The fossil is of the first baby Pentaceratops ever discovered, researchers say. — -- The National Guard recently airlifted a rare baby dinosaur fossil, estimated to be 70 million years old, out of "desert wilderness" in northwestern New Mexico ...

A nearly complete fossil of Huayracursor jaguensis, one of the world's oldest dinosaurs, was discovered in Argentina. This new species, dating back 23

Imaging technology has revolutionized paleontology, allowing scientists to study fossils that are buried deep in the rock or too small to handle. Two recent studies I was involved with show some of the technology's potential,

Parasites have roamed the Earth for a long time. They were here before the dinosaurs: The oldest fossils are more than 500 million years old. Today on the show, Regina G. Barber speaks with paleontologists Karma Nanglu and Danielle de Carle about a mysterious fossil called the “Riddler,

Dinosaur “mummies” couldn’t have been further from my mind as I trudged up a grassy knoll on the Zerbst Ranch in east-central Wyoming, followed by University of Chicago undergraduates on a field trip linked to my “Dinosaur Science” course.