Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...

Just when things couldn't get any crazier in the US, scientists have discovered that the underside of the Earth's crust is ...

the upper mantle and the lower mantle. The boundary between the two lies about 465 miles (750 kilometers) beneath the Earth's surface. The crust is the outermost layer of the Earth. It is the ...

When Maureen Long talks to the public about her work, she likes to ask her audience to close their eyes and think of a landscape with incredible geology. She hears a lot of the same suggestions: ...

Earthquakes. A short video for 11-14 year old pupils, exploring tectonic activity and earthquakes and featuring case studies ...

Volcanoes. A short video for 11-14 year old pupils, exploring tectonic activity and volcanoes and featuring case studies from ...

Chip Clark How are diamonds formed? Diamonds are formed deep within the Earth about 100 miles or so below the surface in the upper mantle. Obviously in that part of the Earth it's very hot.

A diagram showing how Earth's crust and upper mantle (together known as the lithosphere) could be dripping into the mantle due to the Farallon slab. (Image credit: Hua et al. Nature Geoscience (2025)) ...

Lithospheric dripping occurs when the underside of Earth's rocky crust is heated to a certain temperature. As the rock melts, ...

Researchers have discovered cratonic thinning occurring beneath North America, driven by the remnants of the Farallon Plate.