ULVZs, which are located in the lower mantle near the core-mantle boundary, can slow seismic waves by up to 50% ... features that we see anywhere inside the planet," Thorne told Live Science.

Deep within Earth’s mantle lie two enormous, continent-sized structures known as LLVPs. Scientists once believed these ...

The two continent-sized provinces have been known since the 1970s, but it’s only in the last few years we’ve started to ...

About 2,890 kilometers beneath our feet lies a gigantic ball of liquid metal: our planet's core. Scientists like me use the seismic waves created ... core to the rocky mantle above it in this ...

Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

Seismic waves suggest the planet's solid inner core is being pulled out of shape – and it has undergone these changes over just a few decades ...

For a long time, scientists thought the Earth's inner core was a solid ball of metal, sort of like a planet within a planet that sits some 3,000 miles (4,828 kilometers) below the surface.

Scientists have revealed that two continent-size regions in Earth's deep mantle have distinctive histories and resulting chemical composition, in contrast to the common assumption they are the same.

Scientists found that the inner core’s structure changes as it rotates. It deforms at its border, potentially accumulating more material in some areas and less in others — almost like creating hills ...

Continent-size islands deep inside Earth's mantle ... LLSVPs and the surrounding mantle. From these data, the researchers calculated both the speed of the seismic waves and how quickly they ...

Although this inner core is white hot ... Instead, scientists map the interior by watching how seismic waves from earthquakes are bent, reflected, sped up, or delayed by the various layers.

The Earth has a layered structure, including the core, mantle and crust ... cause earthquakes and volcanoes where they meet. The seismic waves produced by an earthquake are monitored and tracked.