The restored 1,000-year-old kiva takes you into this underground ceremonial room central to Ancestral Puebloan community life ...

Due to the radiative thermal conductivity of the mineral olivine, only oceanic plates over 60 million years old and ...

At more than 470 times the atmospheric concentration of CO₂, a humble soil bacterium does something extraordinary: it turns ...

New research reveals that only the oldest and fastest-sinking oceanic plates can transport water deep into Earth’s mantle, ...

Southern Arizona has numerous sites known for their pyroxene minerals, from Twin Buttes south of Tucson, to Ajo, to the Chiricahua, Santa Rita and Patagonia mountain ranges.

Antarctic research reveals how rare earth elements move underground through freeze-thaw cycles in desert environments.

News about Metals and Minerals, including commentary and archival articles published in The New York Times.

Calcium is a mineral that’s crucial for many bodily processes. Here are the four best calcium supplements, according to registered dietitians.

Avocados contain many vitamins, minerals, and healthy fats. Learn more about the possible health benefits of avocados.

Solar System Planets. Astronomy articles on the eight planets, plus the two dwarf planets, Pluto and Eris. Great pictures of everything in the solar system. Updated daily.