There are several old buildings in Kingman that were constructed with natural stone. The Bonelli House, the old court house, ...

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

Researchers have dated volcanic layers at six fossil-bearing sites in Turkey, including one known as Taşhan (shown). The ...

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

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

Officials shared images of what appeared to be a chipped rock face at the ceremonial site. The petroglyphs can be found on volcanic tuff formations formed over 760,000 years ago when a large ...

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 ...

It's common knowledge that Yellowstone Park sits on top of an ancient supervolcano, but what happened last time it erupted?

The Long Valley Caldera comprises a vast caldera from the supereruption some 760,000 years ago, during which the Bishop Tuff extruded and the caldera ... above the ground in Mono County. It comprises ...