LifeExtinct relative of koalas discovered in Western Australia Fossils reveal that there were at least two kinds of koala when humans first arrived in Australia, but one died out about 30,000 years ago when the west of the continent dried out News
LifeNew fossils may settle debate over mysterious sail-backed spinosaurs Spinosaurs have sometimes been portrayed as swimmers or divers, but a new species of these dinosaurs bolsters the idea that they were more like gigantic herons News