The world's largest ocean basin is also the oldest. A basin is "a depression, or dip, in the Earth's surface," according to National Geographic. The Pacific Ocean is the largest, deepest and oldest ...

An ancient piece of volcanic rock plucked from the central Pacific Ocean did something unexpected when a scientist hit it with ultraviolet light in a lab: It started glowing green. The discovery was ...

When exposed to UV light, the sediment in this piece of volcanic rock phosphoresces, glowing green for several seconds. This brief “glow in the dark” effect reveals the sediment is made out of calcite ...

A magnitude 7.6 earthquake centered in the Pacific Ocean some 45 miles west of Misawa, Japan, shook the northern part of the ...

Scientists have uncovered massive, dense rock structures deep beneath the western Pacific, challenging long-held theories about Earth's mantle. Advanced seismic imaging reveals these anomalies, which ...

Researchers found that eroded lava rubble beneath the South Atlantic can trap enormous amounts of CO2 for tens of millions of ...

Rocks store information from long ago. For instance, their composition can reveal the environmental conditions during their formation. This makes them extremely important in climate research. This led ...

According to the United States Geological Survey (USGS), a 7. 6-magnitude earthquake struck the Pacific Ocean approximately ...

This story is part of the Grist series Unearthed: The Mining Issue, which examines the global race to extract critical minerals for the clean energy transition. It was produced by Grist and ...