Imagine stumbling upon a hidden vault that preserves whispers from a world over half a billion years ago—a time when life on ...

The rich fossil repository known as the Burgess Shale was first discovered a century ago. Siobhan Roberts The fossil-hunting expedition began with a lung-busting hike, accompanied by an incessant ...

The discovery of the Burgess Shale fossils, high on a mountainside in the Canadian Rockies, is shrouded in legend. It was late August 1909, and an expedition led by the Smithsonian’s longtime ...