In 1995, divers first noticed a group of bizarre sandy "crop circles" on the seabed around Amami Oshima Island, southwest ...

Off the coast of Japan’s Ryukyu Islands, beneath rolling blue waves and coral gardens, rests something that shouldn’t really be there, or at least, no one can quite agree on what it is. As reported by ...

The ocean’s depths hold countless mysteries, with new discoveries regularly challenging our understanding of marine science and human history. From ancient artifacts to unexplained phenomena, these ...