The best way to clean your oven doesn't involve harsh chemicals. A pumice stone, whether in the form of a scouring stick or ...

The alleged facial in a jar is made with volcanic pumice rock that deeply and naturally exfoliates and detoxifies skin. It's also said to deliver spa-level results (think smoother, glowing skin ...

The stretch of golf-ball-size pumice rocks was first spotted this week by a New Zealand air force plane about 1,000 kilometres northwest of Auckland. The rocks stretch for about 26,000 square ...

The unique geology on the eastern side of the Sierra was formed more than 700,000 years ago when a volcanic eruption created a rock plateau of pumice and ash known as Bishop Tuff. The ...

Towering hoodoos—cone-shaped spires reaching up to 90 feet tall—rise from the earth, sculpted from layers of ash, pumice, and tuff. Kasha-Katuwe Tent Rocks National Monument, whose name ...