The Earth’s crust is constantly changing. It’s currently made of many huge rock slabs called tectonic plates—seven major ones ...

The Earth with the upper mantle exposed. Researchers at The University of Texas at Austin have discovered a previously unknown layer of partly molten rock approximately 100 miles beneath the Earth's ...

The layer, located 100 miles below the Earth's surface, could help shed light on how the tectonic plates move. Reading time 2 minutes Earthquakes and volcanic eruptions are a result of the movement of ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The discovery could ...

Geology runs in order, as sediments pile up over time, with older material buried deeper and younger layers added on top. The sequence allows scientists to read Earth’s past like a timeline. It ...

Rocks from Australia have given scientists the oldest direct proof that Earth's surface was moving in separate pieces 3.5 billion years ago.

Earth's inner layers have just got a bit more complicated, with scientists discovering a whole new inner core within the center of the planet. Research released on February 21 in the journal Nature ...

Like a moth in a cocoon, the metamorphosis of Earth's crust from molten goop to solid land is hidden from view, leaving scientists to guess at how the eons-long process unfolds. Using nearly four ...

Far below the familiar blue of the surface oceans, geophysicists are piecing together evidence for a vast, hidden reservoir of water locked inside the planet itself. Instead of filling open caverns, ...

Earth is the planet we have the best opportunity to understand in detail—helping us see how other rocky planets behave, even ...

Just like honey slowly dripping from a spoon, parts of the rocky outermost layer of Earth's shell are continuously sinking into the more fluid layer of the planet's mantle over the course of millions ...

UNDATED (WKRC/CNN Newsource) - A groundbreaking study by the University of Göttingen in Germany, published in the journal Nature, suggests that Earth's core is leaking gold and other precious metals ...