Granite colors range the spectrum from white to black to pink, but what makes a single rock type so variable? Here we will discover what makes each granite a different color, what that tells us about ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Researchers have found evidence of the oldest known use of ...

Funding for Klehm's research on the pillar site stone beads was provided by the Wenner-Gren Foundation. On the shores of Lake Turkana in east Africa, about 5,000 to 4,000 years ago, pastoralists ...