Archaeologists Baffled after Discovering Gigantic Skull of a 200-million-year-Old Dinosaur, Say it is a Never-Before-Seen Species In a groundbreaking discovery that has left archaeologists astounded, ...

Other tracks at Dinosaur Valley State Park belong to a sauropod, or long-necked, small-headed dinosaur, called Sauroposeidon proteles. This species would have stood 18 meters tall.

Officials at the Dinosaur Valley State Park in Texas discovered the footprints of a seven-ton Acrocanthosaurus in a riverbed after a severe drought caused the water to recede. The trail had been ...