A remotely operated submarine was collecting samples on a previously unexplored deep sea mountain when it scooped up a rare megalodon tooth. The gold-colored tooth, which is 2.7 inches (6.8 ...

Wading in knee-deep waters, that's exactly what she found: a tooth belonging to the now-extinct Otodus megalodon shark species. A local marine museum's curator called it a "once-in-a-lifetime kind ...