Lanzarote’s volcanoes have inspired locals to make everything from art to wine. A tour of the island reveals the landscape’s ...

It’s just an hour past sunrise when I reach the rim of Caldera Blanca, a steep-sided hulk of igneous rock on the western ... obsidian — a black volcanic glass — into hand tools.

This is a durable igneous stone ... leaving the rock underneath it vulnerable to cracks and stains. While glass cleaners may not necessarily damage perfectly sealed granite countertops after ...

An international study featuring scientists from Curtin University's School of Earth and Planetary Sciences and Space Science ...

Have you ever found yourself in a museum's gallery of human origins, staring at a glass case full of rocks labeled "stone ...

NASA's Perseverance rover has discovered a haunting rock formation on Mars that looks unsettlingly like a skull. Dubbed "Skull Hill," the jet-black outcrop is so bizarre and out of place that even ...