A tiny fossil jaw discovered in southern Brazil is helping scientists fill a gap in the early history of reptiles that ...

More than 200 million years ago, life on Earth was experimenting with new forms. The Triassic period gave rise to animals that look oddly familiar today, yet belonged to very different lineages.

Anewly described reptile from New Mexico is giving scientists a fresh look at the evolutionary experiments that unfolded before dinosaurs came to dominate Earth. Named Labrujasuchus expectatus, the ...

The Mexican axolotl (Ambystoma mexicanum) is famous because adults look like overgrown babies, or tadpoles, retaining juvenile features as adults and capable of remarkable regeneration of lost limbs ...

In our new study, published in Royal Society Open Science, we show these WA koalas were not simply stray populations of the modern koala. They represent a distinct species that has been hiding in ...

The researchers compared a jaw fragment from Galanthis baskini (top) to a complete mandible of the least weasel (bottom). A European cent is shown for scale. Weasels are small carnivores with a long ...

In 2024, the Western Australian Museum received a donation. It was a koala skull collected from Moondyne Cave in Margaret River by Lindsay Hatcher, an avid caver. There was something a bit odd about ...