LifeRemarkable fossils rewrite the story of how animals conquered the land Palaeontologists have found new evidence that the early ancestors of amphibians, reptiles and mammals did not have a larval stage with external gills like modern frogs or salamanders News
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