In a new paper, researchers describe a bizarre dinosaur with thorny spines along its neck and back that made its home in Africa more than 165 million years ago.
A spine-tingling discovery: This dinosaur had spiked body armor
toggle caption Matt Dempsey/The Natural History Museum, London
A dinosaur that roamed modern-day Morocco more than 165 million years ago had a neck covered in three-foot long spikes, a w... [2617 chars]