Gigantic Dinosaur From Argentina Named 'Fearing Nothing'

Researchers studying the remains of an enormous dinosaur — a creature that was bigger than seven bull elephants — have given it an equally colossal name: Dreadnoughtus, or "fearing nothing."

Scientists hope its unusually well-preserved bones will help reveal secrets about some of the largest animals ever to walk the Earth.

The four-legged beast, with a long neck and powerful 29-foot tail, stretched about 85 feet long and weighed about 65 tons. That's more than seven times the weight of even a plus-size male African elephant.

Kenneth Lacovara of Drexel University in Philadelphia, who found the specimen in Argentina's southern Patagonia in 2005, said he can't claim it was the most massive dinosaur known, because the remains of comparably sized beasts are too fragmentary to allow a direct comparison. Read more...

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