B U E N O S   A I R E S, Argentina, Feb. 23 -- An Argentine paleontologist claims to have unearthed remains ofthe world's largest dinosaur in the latest find to show thenation's richness in bones ...

For a long time, the idea of giant animals has mostly been tied to dinosaurs on land. Oceans feel different, quieter, even ...

New fossil discoveries are forcing scientists to redraw the boundaries of ancient oceans, suggesting that some of the most formidable marine predators did not always stay at sea. From gigantic ...