This is in part because if you were to plunge down 2,700 kilometers (1,700 miles), you would be jump-scared by seismic waves that accelerate when they hit the threshold of the D” layer.

In September 2023, researchers worldwide picked up a strange seismic signal: repetitive shaking every 90 seconds for nine days. Even stranger, it repeated itself a month later. Experts have ...

Waves from these quakes traveled through the core and up to North America, where they were recorded by EarthScope, a project that deployed portable seismic monitors across the U.S. between 2003 ...

Seismic waves inside Mars' core hint at how it became hostile to life : Read more The article gets the Earth's solid inner and liquid outer core backwards.

About 2,890 kilometres beneath our feet lies a gigantic ball of liquid metal: our planet’s core. Scientists like me use the seismic waves created by earthquakes as a kind of ultrasound to “see ...