This undated artist rendering provided by the Carnegie Museum of Natural History shows the Dreadnoughtus. The dinosaur Dreadnoughtus had a 37-foot-long neck, 30-foot tail, and weighed an estimated 65 tons.
This undated artist rendering provided by the Carnegie Museum of Natural History shows the Dreadnoughtus. The dinosaur Dreadnoughtus had a 37-foot-long neck, 30-foot tail, and weighed an estimated 65 tons. Mark A. Klingler AP
This undated artist rendering provided by the Carnegie Museum of Natural History shows the Dreadnoughtus. The dinosaur Dreadnoughtus had a 37-foot-long neck, 30-foot tail, and weighed an estimated 65 tons. Mark A. Klingler AP

Meet Dreadnoughtus, the colossus that could reveal secrets about dinosaurs

September 04, 2014 10:37 AM