Sedona, Arizona: a place with cloud iridescent rainbows in the air and trees twisting from underground crystals. The Legend, ...

For a rockhound like Mark Moorehead, president of the Sedona Gem and Mineral Club ... From the Grand Canyon to Humphreys Peak in Flagstaff, which used to be an active volcano, to Jerome, which was ...

A volcano near Alaska’s most populous city may be preparing to erupt, according to experts who have been monitoring the ...

The recent earthquake swarm near Santorini has brought the topic of volcanoes in Greece back into the spotlight.

Kilauea, one of the most active volcanoes in the world, spewed lava for over 22 hours this week. It's been erupting ...

Kilauea, one of the world's most active volcanoes, has been erupting on and off for nearly two months since it burst to life ...

Kilauea, located about 200 miles (320 kilometers) southeast of Honolulu, is one of five volcanoes that make up the Big Island ...

Hawaii’s most active volcano has been erupting intermittently since December. The latest episode sent lava more than 300 feet into the air.

Kilauea volcano is shooting lava into the air once again in Hawaii. Kilauea on the Big Island of Hawaii is one of the world’s ...

An active volcano near Alaska's most populated city could be on the brink of eruption, according to scientists who are constantly monitoring a potential threat.

The Thunder Mountain Trail is pictured during the daytime. A hiker got trapped in the dark in Sedona. U.S. Forest Service A man was discovered trapped on a steep mountain ledge after hikers heard ...