Far off the rocky tip of Brittany, a stone barrier nearly the length of a football field has emerged from the Atlantic, not ...

Let's dive into the world's most amazing underwater buildings and architecture - sub-aquatic dwellings that combine luxury ...

French marine archaeologists have made a groundbreaking discovery off the coast of Brittany - a massive underwater wall dating to approximately 5000 BC that predates the famous megalithic monuments of ...

JACKSONVILLE, Fla. — Divers working with the Florida Department of Transportation are plunging into the St. Johns River over the next few days to inspect the underwater structures of the Hart Bridge.

Scientists working alongside the U.S. Coast Guard have discovered a 1,640-foot-tall (500 meters) structure that looks like an underwater volcano off the coast of Alaska. The structure may be spewing ...

Does an mini-Stonehenge stand underwater in Grand Traverse Bay, part of Lake Michigan? In 2007, looking for shipwrecks in this area, which was a busy 19th- and 20th-century maritime trade route, Mark ...

A colossal 7,000-year-old granite wall, France's largest underwater construction, has been unearthed off Brittany's coast. This 120-meter structure, f ...

A team of researchers has recovered the deepest sample ever taken of the Earth’s mantle from a section of seafloor in the Atlantic Ocean. At more than three-quarters of a mile in continuous length, ...

JACKSONVILLE, Fla. — Divers working with the Florida Department of Transportation are plunging into the St. Johns River over the next few days to inspect the underwater structures of the Hart Bridge.