Viral fossils buried in DNA may protect against future virus infections, a new marsupial study suggests.
A giant marsupial that roamed prehistoric Australia 25 million years ago is so different from its wombat cousins that scientists have had to create a new family to accommodate it.
Rewilding is gaining popularity around the world, as a means to restore ecosystems to their ancient state. But just like Vegemite, Australian rewilding projects need to have a unique flavour.
Two tiny fossils are prompting an overhaul of theories about marsupial evolution after they revealed unexpected links to South America - and possibly Africa.