Around 100 million years ago, a remarkable evolutionary shift allowed placental mammals to diversify and conquer many cold regions of our planet. New research shows that the typical mammalian heater ...

A mini koala meandered through central Australia about 25 million years ago. The newly discovered species belonged to a community that contained the oldest known members of the koala family – and it ...

Marsupials may have richer social lives than previously thought. Generally considered loners, the pouched animals have a wide diversity of social relationships that have gone unrecognized, a new ...

People say “When pigs fly” to describe the impossible. But even if most mammals are landlubbers, the ability to glide or fly has evolved again and again during mammalian evolution, in species ranging ...

Marsupial moles are perhaps Australia's most bizarre mammals. Known as "itjaritjari" to the Indigenous Aṉangu people and featuring prominently in their tales, the marsupial mole is rarely observed, ...

Researchers explain the genomic and developmental basis of the patagium, the thin skin membrane that allows some mammalian species to soar through the air. People say "When pigs fly" to describe the ...