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 ...

Taam Ja' Blue Hole can be found in Mexico's Chetumal ... drilling was part of a scientific effort to research deep parts of the Earth's crust, with the maximum depth reached in 1989.

Here’s how it works. Potential patches of Earth's ancient crust, sometimes called "sunken worlds," may have just been discovered deep within the mantle, thanks to a new way of mapping the inside ...

Earth's deepest gravitational anomaly, known as the "gravity hole," lies 1,200 km southwest ... fragments of the Earth's crust slid beneath the Eurasian plate. These fragments eventually sank ...