October 21, 2015 Scientists describe newly discovered dinosaur as 'one of the weirdest', 'pretty goofy' Nearly 50 years ago, scientists found bones of two large, powerful dinosaur arms in Mongolia and figured they had discovered a fearsome critter with killer claws. Now scientists have found the rest of the dinosaur and have new descriptions for it: goofy and weird.
October 21, 2015 Bizarre sphere fossils could be among world's earliest animals A series of mysterious spherical fossils found in southern China may be remnants of some of the world's earliest animals.
October 21, 2015 Ancient sloths: 5-ton creatures grew monstrously fast An ancient sloth weighing some 5 tons and sporting claws that extended a foot (0.3 meters) is helping to reveal how the slow, furry creatures ballooned in size long ago at a startlingly fast rate, a new study finds
October 21, 2015 Ancient 'toothy' dolphin fossils found in Peru desert The dusty Pisco-Ica desert stretches along the coast of southern Peru, but more than 16 million years ago it may have been covered with sparkling water and home to a now-extinct family of dolphins, known as squalodelphinids, according to new findings
October 21, 2015 Area with 200-plus dinosaur tracks opening to public soon A dry wash full of 112-million-year-old dinosaur tracks that include an ankylosaurus, dromaeosaurus and a menacing ancestor of the Tyrannosaurus rex, is set to open to the public this fall near ...
October 21, 2015 Weirdest worm ever? Clawed creature finds its family tree When researchers first discovered the fossil worm Hallucigenia in the 1970s, they were so perplexed they identified its head as its tail and its legs as its spines
October 21, 2015 Giant ancient sea scorpions had bad eyesight Gigantic sea scorpions that lurked in the ocean more than 400 million years ago weren't as scary as they sound, a new study suggests
October 21, 2015 180-million-year-old fossils revealed in Jurassic deep sea Ancient fossils now reveal that the deep sea may be the origin of many lineages of sea creatures found closer to the surface, such as a number of sea stars, sea urchins and snails, researchers say.
October 21, 2015 T. rex skeleton gets new home in Smithsonian dinosaur hall More than 100 years after dinosaurs were first displayed on the National Mall, T. rex — the king — is joining the Smithsonian collection after a 2,000-mile journey from Montana.
October 21, 2015 Massive dinosaur skull found in Canada The nearly complete skull of a horned dinosaur well over 6 feet in length was discovered in the Alberta Badlands, scientists announced Thursday.