The ocean depths are a treasure trove of mysteries, with countless underwater discoveries that continue to baffle scientists and researchers. From submerged ancient cities to unexplained formations, ...

OTIS is a remotely operated vehicle that has been generously donated to the University of Delaware by Tim Taylor and ...

When sonar first picked up a massive, stair‑like object on the floor of the Baltic Sea, the image looked less like geology and more like a movie prop. The structure’s circular outline, sharp edges and ...