In 1986, Kihachiro Aratake was diving off the coast of Yonaguni when he spotted a giant structure 25 meters below the surface ...

Living beneath the waves has long captured the imagination of dreamers, designers and explorers, inspired by tales like Atlantis. Today, with rising sea levels and a growing curiosity about what lies ...

In a remarkable discovery off the coast of Queensland, Australia, scientists have unveiled a massive underwater reef that rises 500 meters (about 1,600 feet) from the ocean floor. This towering ...

The vast majority of our planet’s oceans remain unexplored, hiding secrets that challenge everything we thought we knew about human history and geology. Every so often, sonar technology or daring deep ...

A new discovery in the remote Arctic region has stunned scientists. An international team of researchers recently found a vast collection of underwater structures along the edge of the Canadian ...

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 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, ...

The waters off Yonaguni Island have carried a quiet question for nearly four decades. In 1986, a local dive tour operator noticed large stone shapes on the seabed that did not sit easily with the ...

Just off the coast of Miami Beach are several artificial coral reefs, built two decades ago to restore the local ecosystem. Now, a new project will connect different artificial reef sites along a ...