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

Seismic wave data previously suggested the Earth’s hot inner core is slowing its spin. Now, researchers say it’s also ...

A moderate earthquake, followed by three smaller quakes, shook California’s Northern Coast in Humboldt County Tuesday night, ...

A massive meteor strike on Mars sent shockwaves across the planet, revealing that some of its tremors weren’t tectonic but ...

Quakes recorded for the first time inside Greenland's biggest frozen river, the Northeast Greenland Ice Stream, suggest this ...