Is Earth's inner core solid or liquid? While the inner core is extremely hot, experts have known that it is solid for many ...

A phase change in post-perovskite materials at the so-called D” discontinuity is also evidence for long-predicted slow, ...

New research presented at the Royal Astronomical Society's National Astronomy Meeting (NAM) in Durham suggests a ...

Observations from NASA’s Juno spacecraft reveal that Jupiter’s strong magnetic field and the unique properties of its plasma ...

A New Frontier for Exoplanet Seismology. While the JWST cannot directly detect seismic waves, it can measure variations in brightness—or photometric changes—with extraordinary precision ...

Seismic waves accelerate in the D" layer, about 2,700 km deep, due to the alignment of post-perovskite crystals, which occurs as solid mantle rock flows horizontally under extreme pressure and ...

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These mysterious waves, known as PKP precursors, arrive just before a type of seismic wave known as PKP waves, which travel through the Earth during an earthquake.

Scientists have known that seismic waves slow down when passing through ultra-low velocity zones, or ULVZs, but only knew they existed around hotspots that create volcanic island chains. Now, a ...

They have demonstrated why earthquake waves change abruptly at a depth of 2,700 kilometres at the so-called D‘’ layer. The reason for this is a type of solid rock that nevertheless flows. This mineral ...