We often think of the Earth as solid, and quiet. But scientists are starting to realize it might be anything but silent. Deep ...

A powerful 7.3-magnitude earthquake struck Alaska on Wednesday, unleashing seismic shockwaves that raced through the Earth's ...

On March 28, Myanmar was rocked by a 7.8 magnitude earthquake that claimed over 5,000 lives and caused damage even in ...

Over a thousand miles from the surface, in Earth’s D” layer—right on the edge of the liquid metal outer core—there is a weird acceleration of seismic waves. Experiments recreating the ...

They then measured the velocity of lab-produced seismic waves sent through this material. These measurements show that while randomly-oriented crystal samples do not reproduce the shear wave velocity ...

Geologists recently unveiled groundbreaking seismic evidence of massive, ancient “fortresses” located nearly 1,800 miles ...

Two massive blobs beneath Africa and the Pacific—each taller than 90 Everests—may be remains of a lost planet. Hidden in ...

Gigantic hidden fortresses discovered 1,800 miles underground in Earth's mantle, rewrite how the planet's interior works.

Starting in the US in 2020 and expanding internationally since, the system is called Android Earthquake Alert (AEA), and it's ...

Key Takeaways on Earth's Inner Core Earth's inner core is solid and blistering hot. For decades, scientists have known ...

One night in 373 BCE, the earth beneath the Greek city of Helike groaned and cracked. As homes crumbled and temples collapsed ...

A seismic tomographic model shows that the directional dependence of the travel time of seismic waves through Earth’s inner core can be explained by a spatially varying orientation of the ...