Sheboygan teachers David and Janine Young, known as the Great Lakes Rock Hounds, uncover Yooperlites, unique glowing rocks, ...

Rocks from the Hadean Eon, the first period in the geological timescale, have been dated in Québec. These are some of the ...

Deep in Chile’s Atacama Desert, scientists studied a green crystal called atacamite—and discovered it can cool itself ...