The record-breaking mission offers an unprecedented opportunity to study the geology of our planet’s largest layer.

While most of us take the ground beneath our feet for granted, written within its complex layers, like the pages of a book, is Earth's history.

Using advanced technology that analyzes tiny gas bubbles trapped in crystals, a team of scientists led by Cornell University ...

Separating the planet’s rocky crust and the molten outer core, the mantle makes up 70 percent of the Earth’s mass and 84 percent of its volume. But despite its outsized influence on the planet ...

Scientists believe a colossal impact between Earth and Theia formed our lunar companion 4.5 billion years ago.

Separating the planet’s rocky crust and the molten outer core, the mantle makes up 70 percent of the Earth’s mass and 84 percent of its volume. But despite its outsized influence on the planet ...

Vesta, one of the two largest bodies in our solar system's asteroid belt, has long been thought to be more than just another asteroid. Scientists had concluded that it sported some fundamental ...

Vesta’s classification has vexed astronomers for decades, but a recent study is forcing planetary scientists to reevaluate ...

California has experienced multiple earthquakes in the last two minutes in an area being closely monitored for a major quake.

They concluded that Vesta has a crust, mantle and core -- fundamental properties of a planet. Astronomers studied it for clues to how early planets grew, and what Earth might have looked like in ...