In 2011, a Swedish diving team searching for shipwrecks discovered a massive, circular formation deep beneath the Baltic Sea.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. "It’s sad, one minute you're making the Kessel Run in less than twelve parsecs, the next you're at the bottom of the Baltic Sea." ...

The discovery marks the first Stone Age hunting structure in the Baltic Sea region. But other comparable prehistoric hunting structures have been found elsewhere around the globe, including the United ...