Researchers have drilled a window into the layer of our Earth that is responsible for volcanic activity, crust formation, and earthquakes. The mantle is incredibly difficult to study because it’s so ...

A record-breaking drilling attempt, which dug more than a kilometer into an underwater mountain in the Atlantic Ocean, has given scientists a treasure trove of rocks to study for clues to Earth's ...

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WASHINGTON (Reuters) - Scientists using an ocean drilling vessel have dug the deepest hole ever in rock from Earth's mantle - penetrating 4,160 feet (1,268 meters) below the Atlantic seabed - and ...

A record-breaking recovery of rocks that originated deep in Earth could reveal secrets of the planet’s history, new research suggests. Scientists have recovered the first long section of rocks that ...

Scientists have drilled a hole thousands of feet beneath the floor of the North Atlantic Ocean and extracted rocks from Earth’s mantle. It’s the deepest hole ever dug to collect mantle rock, according ...

About 4.5 billion years ago, a Mars-sized object smashed into the young Earth, spraying debris that coalesced to form the moon, many scientists think. Some remnants of that object, called Theia, exist ...

Although solid, the rocks of the Earth's mantle deform very slowly. Professor Patrick Cordier's team at the Materials and Transformation Unit (Université Lille, France) has developed a model that ...

A sixth of the way to the center of the Earth, things get goopy. Using variations in the planet’s gravitational tug, geophysicists have discovered that the viscosity of Earth’s mantle rapidly ...