Prototaxites are something of a prehistoric mystery. They were the first giant organisms on land, towering over ancient ...

Giant kangaroos stuck close to home and went extinct when climate change caused that home to disappear, according to a study published in PLOS One by Christopher Laurikainen Gaete of the University of ...

Scientists studying the fossil remains of giant prehistoric kangaroos have found that even animals weighing more than 200kg may not have been too big to bounce, overturning long-held assumptions about ...