The skeleton sat inside the Suining Formation rock bed. This layer dates to 147 million years ago. The sediments indicate a ...

A remarkable discovery in the Bolivian Andes has revealed the world’s largest known site of dinosaur footprints, offering a ...

Legend once had it that the huge, three-toed footprints scattered across the central highlands of Bolivia came from ...

Deep within Bolivia's Andes Mountains lies an extraordinary geological canvas: a 1.85-acre expanse of limestone bearing approximately 18,000 dinosaur footprints preserved for 66 million years. The ...

Scientists uncovered a massive dinosaur footprint site in Bolivia. Over 16,600 tracks from predatory theropods were found.

The size of the prints can estimate the size of the theropod, while the space between prints can suggest the speed of their ...

The study, conducted over six years mainly by researchers from California’s Loma Linda University and published in PLOS One on Wednesday, marks the largest collection of theropod footprints ever recor ...

These fine feathers weren't just for show. Scientists have discovered a new kind of airborne dinosaur with extraordinarily long tail feathers that could have helped save the animal from crash landings ...

A new dome-headed dinosaur speices found in Montana, Brontotholus harmoni, reveals unexpected clues about their evolution.