Ancestor of all animals identified in Australian fossils

A wormlike creature that lived more than 555 million years ago is the earliest bilaterian

By Holly Ober | | Science / Technology

Special journal issue looks for new clues about old life

Collection edited by UCR researchers focuses on the role of rising oxygen in the birth of complex life

By Sarah Nightingale | | Science / Technology

Two new creatures discovered from dawn of animal life

Names of recently discovered Ediacaran era fossil animals honor President Barack Obama and Sir David Attenborough