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 ...

According to the new research, these sunken supercontinents appear to be different from the surrounding remains of subducted crust ... at the boundary between the Earth's core and mantle.

Research on hidden structures deep within Earth’s mantle challenges theories about our planet’s middle layer and could ...

(This includes the crust and uppermost part ... At divergent boundaries in the oceans, magma from deep in the Earth's mantle rises toward the surface and pushes apart two or more plates.

A new study shows that the inner core changed shape in just a few decades, challenging previous assumptions and revealing ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...

New crust is continually being pushed away from divergent boundaries (where sea-floor spreading occurs), increasing Earth's surface. But the Earth isn't getting any bigger. What happens, then, to ...

The Earth's Crust Is Going through Massive Changes Under California at an Alarming Rate The crust of Earth constantly changes ...

Scientists of course cannot cut into Earth and directly observe its insides. Instead, their knowledge is inferred from the ...

These ancient buried "super-continents"—known to scientists as large low-seismic-velocity provinces (LLSVPs)—were found lurking below Africa and the Pacific Ocean, entombed some 1,200 miles below the ...

The Earth is made of different layers: the core, mantle and crust. Plate tectonic theory ... which forms the tectonic boundary between the Pacific Plate and the North American Plate.