The petroglyphs can be found on volcanic tuff formations formed over 760,000 years ago when a large eruption released hot ash ...

This is where pumice stones come in. Pumice, a volcanic rock that forms when lava cools rapidly, has been used by folks since ancient times for various purposes. The ancient Romans used it in ...

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

Researchers from Tokyo Metropolitan University have carried out an unprecedentedly detailed survey of pumice rafts in the aftermath of the 2021 Fukutoku-Oka-no-Ba volcanic eruption in Japan.

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 ...

She was about 20 years old; he was in his mid-40s. A violent downpour of rubbly pumice mixed with incandescent rocks capable of crushing skulls and scalding skin obscured their escape. To their ...