How ancient bryozoans may have looked. (Zhifei Zhang) The Cambrian explosion was one of the most dramatic chapters in the ...

Many major groups of animals that have become a mainstay in modern times first appeared during the Cambrian Explosion. However, a new study undertaken by a team of researchers claims that though the ...

For decades, scientists have sought to explain the so-called "Cambrian Explosion," a pivotal period over 500 million years ago when a remarkable diversity of animal life appeared in the fossil record.