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 ...

An expanse of ancient rock in the high-altitude Torotoro National Park in Bolivia has been revealed as the largest dinosaur tracksite ever recorded. The site includes a record-smashing 16,600 ...

Add Yahoo as a preferred source to see more of our stories on Google. Argentinean paleontologist Pablo Gallina is shown in 2008 next to several dinosaur footprints discovered by two countrymen in the ...

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 ...