Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?

Pieces of Earth’s rocky mantle were collected by a drilling vessel called the JOIDES Resolution about a mile beneath the North Atlantic ocean floor at an underwater mountain called Atlantis ...

A thin, yet dense, sunken ocean floor could be deep between the Earth’s core and mantle. The findings of a new study published April 5 in the journal Science Advances used global-scale seismic ...

Sweeping The Ocean Floor Strange sea creatures caught on film for the first time. By Robert Kunzig. Jun 13, 2007 5:00 AM Nov 12, 2019 4:19 AM. ... Away from the rocky slopes of the seamounts and ...

At an underwater mountain in the middle of the Atlantic Ocean, scientists have drilled nearly a mile beneath the ocean floor and pulled up an unprecedented scientific bounty — pieces of Earth ...

The mantle breakthrough was part of the International Ocean Discovery Program, a research consortium of more than 20 countries using a giant ship to drill into the ocean floor and retrieve rocky ...