Established in 1924, the Wupatki National Monument – part of a collective of Flagstaff Area National Monuments, including Sunset Crater Volcano and Walnut Canyon – is a nature and culture ...

Another sensational southwestern road trip takes in Arizona’s most spectacular landscapes, starting from Phoenix, and including dormant volcanos and ancient lava flows at Sunset Crater Volcano ...

Moonrise and Earth’s shadow looking east from the crater’s rim. The red-and-black volcanic cinder cone, located in Arizona’s Painted ... direct light from the sunset to a golden bowl inside.

As a top destination for the entire U.S., the Grand Canyon is also one of the top U.S. national parks to visit. The South Rim ...

Flagstaff Business News Flagstaff Celebrates International Dark Sky Week with Stargazing, Music, Commemorative Brew ...

For a few days in 1959, the cast of “Journey to the Center of the Earth” assembled near Amboy where the cinder cone was ...

ASO, Kumamoto Prefecture--Tourists could enjoy the rare view of the lake in the No. 1 crater of Mount Nakadake in the Aso volcano complex here turned green for the first time in six years.

Cores extracted from the impact crater revealed evidence of an ancient, life-nurturing hydrothermal system in the wake of the ...

I visited all the major US national parks and ranked them based on factors like beauty and crowd size. My favorites include ...

MANILA, Philippines – Kanlaon Volcano in Negros Island had 12 volcanic earthquakes over the last 24 hours and remained under Alert Level 3, the Philippine Institute of Volcanology and Seismology ...

This image from webcam footage provided by the United States Geological Survey (USGS) shows lava shooting up high during an ongoing eruption of Kilauea volcano inside Hawaii Volcanoes National ...