The extinction of the megafauna—giant marsupials that lived in Australia until 60,000 to 45,000 years ago—is a topic of fierce debate. Some researchers have suggested a reliance on certain ...

A long, long time ago, marsupials the size of small trucks, 2-meter-tall "thunder birds" and 5-meter-long venomous lizards roamed Australia. These animals—and more—were Australia's megafauna.

Diprotodon was most mega of the megafauna, the largest known marsupial ever to tread the Earth. Bulky and stubby-legged, Diprotodon seems forever fated to be described in museums as "lumbering." ...

Australia-based scientists said Thursday they had produced the world's first kangaroo embryo through in vitro fertilization and hailed it as a key step towards saving endangered marsupials.

The extinction of the giant reptiles, marsupials and birds that once called Australia home has been the subject of much debate, including the role early Australians may have had on their fate.