Earth's continents may look fixed on a globe, but they've been drifting, splitting and reforming over billions of years – and ...

Scientists discover enormous pockets of salty brine beneath the Pacific Ocean, key to understanding periodic underwater ...

New research from HKU geologists suggests that Earth's first continents were born not from plate tectonics, but from deep ...

Chemical fingerprints from volcanic rock offer hints of what’s happening in the mantle below the area where three rift zones meet in East Africa ...

Mantle plumes are important geologic processes—they interact with plate tectonics, create rich mineral deposits, and even ...

Study reveals less than 0.001% of deep seafloor visually observed, highlighting need for increased exploration worldwide.

Earth's surface is mostly deep ocean, but a new study reveals just how little we have glimpsed of the floor of our planet's largest ecosystem. Researchers at the non-profit Ocean Discovery League, the ...

Researchers in a submersible could hardly believe their eyes, or their luck, when they saw a clearly active eruption along an undersea volcanic mountain chain.

Scientists have recently uncovered a previously unknown hydrothermal vent field off the coast of the Galápagos Islands, aided by a surprising guide — crabs. This new discovery adds to our ...

An ultra-detailed map of the ocean floor uses gravity-based data collected by satellite. NASA and CNES launched the satellite to survey Earth’s surface water.

Between 15 million and 6 million years ago, a drop in ocean crust production may have lowered sea level by 26 to 32 meters.