Charles Shelton Jr. says areas with fresh beach renourishment can be a gold mine for shark teeth and other finds.

This unique Florida park offers a rare hands on experience, letting visitors hunt for ancient shark teeth while exploring ...

STANFORD, Calif. (KGO) -- If you ever come face-to-face with the wrong kind of shark, there's something you probably want to avoid. Just a hint: they're long and really sharp. But now, researchers at ...