When famed pirates overtook a Portuguese ship in 1721 once laden with treasure (now valued over $138 million), the battle ...

New research has claimed a sunken ship off the coast of Madagascar could be the long-lost Portuguese vessell the Archbishop ...

Marine archaeologists have identified what they believe to be a Portuguese treasure ship seized by pirates more than three ...

Between the treasure value and the ransom money, the haul would have been an "eye-watering treasure, even by pirate standards ...

Archaeologists have discovered a 300-year-old shipwreck with a hoard of treasure, but the fate of the 200 slaves on board ...

Two shipwrecks in Costa Rica were long thought to be sunken pirate ships. New research shows they were actually Danish slave ships. NPR's Ayesha Rascoe talks with archaeologist Andreas Bloch.

In southern Costa Rica, local lore has told of two sunken pirate ships just off the coast in the shallow Caribbean waters. Well, there are sunken ships there, and they do date to the early 1700s.

In southern Costa Rica, local lore has told of two sunken pirate ships just off the coast in the shallow Caribbean waters. Well, there are sunken ships there, and they do date to the early 1700s. But ...