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 ...

Far below the waves off western France, a massive stone wall has emerged from obscurity to challenge what we thought we knew ...

Researchers studying an underwater city in Italy say they have found an ancient mosaic floor that was once the base of a Roman villa, a discovery that the local mayor called "stupendous." The ...

In a particularly cool example, French marine archaeologists discovered an enormous undersea wall that measures almost 400 ...

"Archaeologists did not expect to find such well-preserved structures in such a harsh setting," geologist Yves Fouquet said.

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.

Archaeologists have uncovered a remarkable undersea discovery which dates back to 5,000 B.C. and correlates with a local myth telling of a "lost," sunken city.

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 ...

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, ...

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 ...

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.