Learn how we know the Earth is round, and the science behind the shape of our gravitational field.

When Earth was a molten inferno, water may have been locked safely underground rather than lost to space. Researchers ...

Seismic imaging has exposed two massive zones hidden deep in Earth’s mantle. These giant blobs, known as large low-velocity provinces, or LLVPs, stretch beneath Africa and the Pacific. They are so ...

University of Maryland geologists discover a mysterious subduction zone deep beneath the Pacific Ocean, reshaping our understanding of Earth’s interior. University of Maryland scientists uncovered ...

Researchers at Göttingen University have uncovered new evidence that some of Earth’s most precious metals began their journey far deeper than once thought. Working with volcanic rocks from ocean ...