Most of the time, the shape of Earth’s magnetic field is quite similar to that which would be produced by a bar magnet ...

Northern Arizona’s San Francisco Volcanic Field is a prominent geological landmark in the Southwest. Comprised of about 1,800 square miles, it is the location of more than 600 volcanic vents in the ...

The record-breaking mission offers an unprecedented opportunity to study the geology of our planet’s largest layer.

A rough diamond unearthed in Botswana in the final quarter of 2025 has drawn sustained attention from geoscientists and ...

THE direction of remanent magnetization of igneous rocks has recently been examined in detail 1 in order to investigate the secular variation in the geomagnetic field, and its relation to the problem ...

A team of scientists drilling near the Lost City in the Atlantic Ocean went far beyond expectations, uncovering a rare rock from Earth’s mantle in the deepest core sample ever recorded.

A new study reveals a detailed look at what lies beneath the Hawaiian hotspot.

Tiny zircon crystals are revealing that Earth’s earliest history may have included surprisingly complex tectonic activity.

Scientists are uncovering how climate change influences seismic activity, volcanic hazards and extreme weather, as Michael Allen uncovers ...

When referred to as a gas, it means a volatile has transitioned into the vapor phase. The most common gases (or vapor phase volatiles) emitted at the surface are water (H2O), carbon dioxide (CO2), and ...

Mathematical relationships between unit-cell parameters and chemical composition were developed for selected mineral phases observed with the CheMin X-ray diffractometer onboard the Curiosity rover in ...