When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Anjouan island, off eastern coast of Africa, is mostly made of dark volcanic rocks, like these ...

A team of geologists at the University of Texas suggests that a collection of smooth, red quartzite cobbles, found in the Morrison Formation of Wyoming, was deposited there by dinosaurs coming from ...

Syntrichia caninervis, one of the most common Mojave Desert mosses, growing on the soil under a white milky quartz rock. Credit: Kirsten Fisher Desert mosses live a much different life than their ...

The scared red boulder, pictured Wednesday, Dec. 9, 2020, is a red quartzite rock that sits in Robinson Park in downtown Lawrence across from City Hall. In 1929, a group of Lawrence officials arranged ...