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

Imagine a beach where the sand shimmers not in the usual shades of gold, white, or black, but in a striking, rare green. This ...

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

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

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

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

Frequent readers of this annual feature may spot some repeat places such as Red Bridge, Catherine Creek and Battle Mountain, ...

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 Bishop, California.

The petroglyphs can be found on volcanic tuff formations formed over 760,000 years ago when a large eruption released hot ash that settled over the region. The Paiute-Shoshone Indians later ...