Centuries-old shipwrecks off the coast of Costa Rica, long thought to have been the property of pirates, are actually Danish ...

Archaeologist David John Gregory recently spoke with Fox News Digital about the haunting discovery of Danish two slave ships, Fridericus Quartus and Christianus Quintus, in Costa Rica.

The ships were found in the early 1800s, but scientists have only recently pieced together their history. Researchers have ...