The skeleton of a Stegosaurus, named "Apex," has officially taken the title of the most expensive fossil ever sold, with a confirmed final bid price of $44.6 million, according to Sotheby's ...

Ornithischians were one of the two major groups of dinosaurs and included such familiar species as the armor-plated Stegosaurus and ... agile, and bipedal, bearing seemingly little resemblance ...

Languages: English. Twenty-one humanoid robots competed alongside thousands of human runners in Beijing on Saturday in what organizers claim is the world's first bipedal robot half-marathon.