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

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

Kasha-Katuwe Tent Rocks National Monument in New Mexico is celebrating being included in TIME Magazine's "World's Greatest ...

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

How do volcanologists determine the height of eruptive plumes from Yellowstone’s past explosive eruptions? Ironically, you ...

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

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 ...

Aside from their visual appeal, orchids require minimal care — so long as its conditions are met. Here's how to care for ...

A rare sequence of heating and cooling triggered the chain of chemical reactions that turn organic material into glass.

The Paiute-Shoshone Indians later chipped away at the red pumice stone, which exposed the lighter rock minerals underneath, according to the Bureau of Land Management. The carvings are considered ...