Far below the postcard beaches and turquoise shallows of Bermuda, scientists have mapped a colossal slab of rock that should not be there. The hidden feature, sitting deep under the Bermuda Triangle, ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Scientists aren't sure how ...

This video explores five of the most mysterious underwater structures ever discovered, from stone circles in Lake Michigan to the controversial Yonaguni Monument in Japan. But the most clickable case ...