Excavations at a 2,000-year-old settlement in Spain have yielded the first ever trilobite fossil from Roman times. Found in a trash heap associated with a high-status household, the specimen appears ...

Experts analyzed 170 trace fossils from millions of years before the Cambrian Period and assert that advanced features may have been a reality before the explosion.

“Preserved blood vessel structures, like we have found in Scotty’s rib bone, appear linked to areas where the bone was ...