Researchers have found some of the biggest dinosaur footprints ever. They are so huge that an adult could curl up inside one ...

A record-breaking site in Bolivia preserves foot, tail, and clawprints left behind by hundreds, or even thousands, of dinosaurs in mud at the edge of what was then a lake. Finding all the prints, let ...

Baby sauropods were the fast food of the Late Jurassic, feeding multiple predators and propping up the entire ecosystem.

A high-traffic “dinosaur freeway” may have once stretched across a shoreline in what is now Bolivia. Traveling along this busy route were theropods — three-toed, bipedal meat-eating dinosaurs, which ...

B U E N O S   A I R E S, Argentina, Feb. 23 -- An Argentine paleontologist claims to have unearthed remains ofthe world's largest dinosaur in the latest find to show thenation's richness in bones ...

TORO TORO, Bolivia (AP) — Legend once had it that the huge, three-toed footprints scattered across the central highlands of Bolivia came from supernaturally strong monsters — capable of sinking their ...