But this may be because the vertebrae from a more recent common ancestor from the avemetatarsalians, that does have evidence of air sacs, has yet to be examined or discovered. If there is a common ...

Learn more about the lineages of Australian and South American tree frogs, which separated approximately 55 million years ago at the latest, according to a new analysis of fossils.

Australian tree frogs today make up over one third of all known frog species on the continent. Among this group, iconic ...

Newly discovered evidence of Australia's earliest species of tree frog challenges what we know about when Australian and ...

Scientists have now discovered the oldest ancestor for all the Australian tree frogs, with distant links to the tree frogs of South America.

Life depends on genes being switched on and off at exactly the right time. Even the simplest living organisms do this, but usually over short distances across the DNA sequence, with the on/off switch ...

But this may be because the vertebrae from a more recent common ancestor from the avemetatarsalians, that does have evidence of air sacs, has yet to be examined or discovered. If there is a common ...

The biodiversity of Earth's oceans is disproportionately concentrated in coral reefs—the vibrant undersea ecosystems where ...

"A fair few mammals have evolved from living on land to living in the water, but for an animal to go the other way is very rare," Sue Hand, a vertebrate paleontologist ... really interested to see ...

Around 300 million years ago, long before dinosaurs ruled the Earth, the Carboniferous period teemed with strange and giant ...