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.

Nestled in a stately limestone mansion along Chicago’s prestigious Gold Coast, the International Museum of Surgical Science stands as a captivating time capsule of medical history that’s equal parts ...

Nestled in Michigan’s rugged Upper Peninsula, where winters are long and the people are hearty, sits a treasure trove that would make Indiana Jones rethink his career choices—the A.E. Seaman Mineral ...