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.

Earth has four primary layers: the crust, mantle, outer core, and inner core. The crust is a thin, solid layer upon which all life resides. Underneath it is the mantle, a hot, dense layer of ...

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 ...

Venus may not have Earth-style tectonic plates, but it’s far from geologically quiet. A new model shows its crust is ...

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 ...

Researchers discover Earth's first crust, formed 4.5 billion ... and it offered evidence that much of the early crust was extracted from a core‐depleted mantle. “Scientists have long thought ...

NASA research reveals Venus’ thin crust may be melting and recycling into the mantle, fueling hidden volcanoes and Earth-like ...

Hydrogen is an essential part of modern society. It’s used to make fertilizers that feed half of the world’s population and ...

An exhaustive examination of lunar gravity using data obtained by two NASA robotic spacecraft is offering new clues about why ...