By Will Dunham (Reuters) - The young Gorgosaurus knew what it liked for dinner. About 75 million years ago in what is now Canada's Alberta province, this fearsome T. rex cousin set about hunting turkey-sized yearlings of a feathered plant-eating dinosaur

By Will Dunham WASHINGTON (Reuters) - Fossil remains of a cell membrane component identified in rocks dating back about 1.6 billion years are opening a window into what scientists are calling a "lost world" of microscopic organisms that were the primordial

General view shows fossil-bearing rocks, where the 250 million year-old fossils of the earliest-known ichthyosaur, a type of marine reptile that flourished during the age of dinosaurs, where found, in the remote Arctic island of Spitsbergen, Norway, in this undated