The past few months, we’ve been giving you a quick rundown of the various ways ores form underground; now the time has come ...

Energy Exploration & Exploitation, Vol. 38, No. 6 (November 2020), pp. 2143-2168 (26 pages) The Paleogene lacustrine mudstone is one of the most important sets of source rocks in Termit Basin, Niger.

NASA’s Perseverance rover has delivered its most compelling clue yet in the search for life on Mars. A rock sample called “Sapphire Canyon,” taken from the Bright Angel formation in Jezero Crater, ...

Deep in the Libyan Sahara lies Jabal Arkanū, a massive, near-perfect set of stone rings once mistaken for a meteorite impact site. New space imagery and geological research now reveal the incredible ...

Earth is about 4.54 billion years old, but only a few rocks survive that were formed at the onset of the planet's history. These very ancient rocks are exceedingly uncommon because nearly all of Earth ...