A research team led by a Brown University professor has shed new light on the evolutionary history of bilateral organisms. In a study published last week, the team, led by Assistant Professor of ...

They feed and poop from the same hole and look about as simple as they come, but two large groups of marine worms are more closely related to us than are insects and mollusks, a new study shows. The ...

PROVIDENCE, R.I. [Brown University] — When it comes to understanding a critical junction in animal evolution, some short, simple flatworms have been a real thorn in scientists' sides. Specialists have ...

In the most computationally intensive phylogenetic analysis to date, an international research team has found the first evolutionary branching for bilateral animals. The researchers determined that ...