Incredibly powerful marsquakes that violently shake the red planet don't always begin under the surface, research shows.

Scientists have installed more seismographs around Santorini as the Greek island continues to be rattled by small quakes, the ...

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

Research reveals structural changes in the inner core's surface, indicated by differences in seismic wave pairs.

Storm Iliana will blow through the Great Lakes and New England through Thursday. Chicago, Detroit and Burlington, Vermont, ...

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