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 ...

These Marsupials Were Thought Extinct for 7,000 Years, Until Now ...

The study, published in Molecular Phylogenetics and Evolution, resolves longstanding questions about when, and why, these iconic Australian marsupials diversified. First author PhD researcher Clelia ...

For thousands of years, scientists knew of two tiny marsupials in New Guinea only through fossils and local legend. Researchers had long considered these species extinct. However, a team recently ...