Cambrian Period creatures known as sea moths seemed alien because of their additional eye, but a study finds anatomical features more in line with modern animals. An artist’s impression of Mosura ...
Fossils of a tiny sea creature that lived 525 million years ago have preserved something paleontologists rarely find: a brain ...
A mysterious fossilized creature discovered more than a century ago has finally been decoded, offering stunning insights into one of the oldest animal groups on Earth. The enigmatic Helmetia expansa, ...