An ancient mine in eastern Wyoming was used by humans to produce red ocher starting nearly 13,000 years ago.

National Renewable Energy Laboratory researchers created a solar cell with a record 39.5% efficiency under 1-sun global illumination.

Researchers say it is possible to classify sedimentary rocks during quarrying, using a portable Raman spectrometer.

UK-based researchers say enhanced weathering has a removal potential of 6–30 million tons of carbon dioxide annually by 2050.

Pent-up demand, supply shocks, low stocks pushed aluminum, copper and coal prices to all-time highs, but new report suggests supercycle talk is premature.