With unprecedented clarity, scientists have directly observed a subduction zone—the collision point where one tectonic plate ...

Concentrated hydrogen in the galaxy’s spiral arms can be locked away in zircon crystals, providing startling clues about the ...

When most of us think about what shaped our planet, we probably picture volcanoes, earthquakes, and huge continents slowly drifting apart (or back together again) over millions or billions of years.

South African diamonds have revealed nickel-rich metallic inclusions, offering the first direct evidence of reactions predicted to occur deep in Earth’s mantle. The study shows how oxidized melts ...

Diamonds from South Africa’s Voorspoed mine have revealed the first natural evidence of nickel-rich metallic alloys forming ...