Paleontologists claim this is the first documented dinosaur fossil discovery on the North American continent. September 6, 1807 Clark spends three weeks at Big Bone Lick in America's first ...

The Museum of the Rockies will unveil "Cretaceous Crossroads," showcasing Montana's rich prehistoric history and highlighting ...

The 150-million-year-old specimen is valued at up to $6 million by Sotheby’s. Some paleontologists worry this auction and earlier ones are driving fossil market speculators.

At the San Diego Natural History Museum, Tom Deméré, curator of paleontology and director of paleo services, examines a fossil collected from the dig at the Thomas Jefferson School of Law.