Test your rock & mineral smarts—are you a Rock Star? Think you know rocks and minerals? Take the Science Trek quiz! Test your smarts on gold, salt, Earth’s oldest rocks, gemstones on Mars, and the ...

On Earth, garnet is best known as the fiery red January birthstone—popular in jewelry since the Bronze Age and valued highly ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. There would be no bright and colorful fireworks without rocks and ...

There would be no bright and colorful fireworks without rocks and minerals. A firework is produced by launching a shell containing fuel and a color mix high into the air, where it explodes. This ...