A pirate shipwreck from the 18th century is discovered off the coast of Madagascar with cargo worth $138 million.

TAMPA, Fla. — Treasure hunters found and recovered more than 1,000 silver coins from shipwrecks off Florida's coast that date back to the 1700s. While that might sound like the plotline of a movie or ...

When thinking about items on a shipwreck, one might imagine a treasure chest full of coins, stacks of gold bars, ship cargo or passengers' personal belongings. But inside some wrecks lie even rarer ...