In the high desert of north-central New Mexico, a 40-minute drive west of Santa Fe, a surreal landscape of eroded volcanic ...

Authorities are seeking the public's help in finding individuals who desecrated ancient, protected tribal rock carvings near ...

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 ...

If something seems light for its size (like a bag of cotton or pumice rock), then we say it has low density. Mass is the amount of matter in an object. Volume is how much space the object takes up.

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 ...