A minor, 3.6-magnitude earthquake struck in Central California on Thursday, according to the United States Geological Survey.

The spread of the ocean floor, as tectonic plates spread apart, is known but hard to observe. Scientists have now documented ...

Most of our planet's crust is forged in a thalassic factory human eyes never see. Across 65,000 kilometers (40,400 miles) of ...

Scientists observed a mid-ocean ridge widen in real time, recording several metres of sea-floor motion and huge lava outflows ...

A peer-reviewed study published in Science argues that Yellowstone’s volcanic system owes its heat and magma not to a deep ...

You might not think a cruise is for you - but with HX Expeditions ships, you can discover incredible corners of the world - a ...