Ancient Fossil Fills 500M-Year Gap in Life Record Mirage News Scientists Discovered Remains of the Earliest Animals on Earth. They May Have Made a Big Mistake. Popular Mechanics The Oldest Evidence of Animal Sex Has Been Found, and It’s Mind-Boggling 404 Media These bizarre fossils represent some of the earliest moving, sexually reproducing life ever discovered Scientific American Complex animals evolved up to 10 million years earlier than previously thought, fossil discovery shows Live Science