It is found in the depths of Indian Ocean and named as the gravity hole or Indian Ocean geoid low, an anomaly where gravity ...

Researchers have found a blue hole they say is the deepest in the world—and they’ve yet to find where it bottoms out. The ...

Scientists have dug the deepest hole ever in rock from Earth's mantle, drilling more than 4,160 feet in the North Atlantic ocean. The team of researchers used an ocean drilling vessel to dig into ...

The Black Hole found on the island of South Andros is a large isolated column, about 47m deep and formed by chemical erosion. Its depths replicate ocean conditions billions of years ago.