More than two decades after it was first discovered, a mysterious ‘underwater city’ off the coast of Cuba is back in the spotlight, capturing the interest of scientists, historians, and conspiracy ...

A team of researchers has uncovered extensive remains of a semi-submerged ancient settlement along the northern coast of ...

The discovery came when archaeologist Kathleen Martínez and a team of researchers found what may be an underwater port by the ruins of an ancient temple Many historians believe that Cleopatra’s ...

During her hunt for the Egyptian queen’s lost tomb, National Geographic Explorer Kathleen Martínez uncovered the sunken landscape near the ruins of Taposiris Magna.

Researchers went underwater to investigate seven archaeological sites in the Adriatic Sea in the lagoons off the island of Grado in Italy. The finds ranged from shipwrecks to unidentified monumental ...