Biologists are confronting a problem they thought they had mostly solved: what, exactly, counts as life. A wave of ...

All species on Earth, both living and extinct, are related. We know this because of a biological tool called the tree of life. This "tree" takes the form of a diagram that maps the relationships ...

Scientists have debated where Prototaxites belong in the tree of life for over a century, but now a new study suggests it might represent a whole new branch. Reading time 2 minutes Hundreds of ...

Jacqueline Nguyen receives funding from the Australian Research Council. Simon Ho receives funding from the Australian Research Council. The largest-ever study of bird genomes has produced a ...