Over 100 million years ago, long before the extinction of land-dwelling dinosaurs, there lived a group of massive clams called Inoceramus. With some species having shells up to 6.5 feet wide, they ...

Deep inside a 500-foot cave, we stumbled onto something we never expected—ancient pearls tucked away in a hidden chamber. The location, the depth, and the condition of the find raise more questions ...

MANILA, Philippines (AP) — A Filipino fisherman in western Palawan island has found possibly the world's biggest pearl, but he didn't know it. For 10 years, the 34-kilogram (75-pound) pearl was hidden ...

The pearl, discovered at a fossil quarry in Richmond, Australia, is estimated to be 100 million years old. Michelle Johnston Over 100 million years ago, long before the extinction of land-dwelling ...