Sunset Crater Volcano National Monument, Wupatki National Monument and Walnut Canyon National Monument would open two hours late as crews worked to clear the snowfall, park service staff posted on ...

Around 900 years ago, a volcano – which has come to be called Sunset Crater – erupted and transformed the encircling area. Geologic features like cinders, lava rock and lava flow compose this ...

Did you know that around 1,000 years ago, there was a one-year-long volcanic eruption in Arizona? Well, now you do. The remains of it are still around, and you can discover them for yourself ...

National Park officials urged caution after a toddler nearly fell off a 400-foot cliff while the family visited erupting ...

JANICE WEI / NATIONAL PARK SERVICE A family of three looks out over Kilauea summit and Halemaumau Crater after the latest eruption paused. A boy ran into a closed area Wednesday at the Kilauea ...

Wei) A shocking scene unfolded as families watched lava glow within Kaluapele, the summit caldera of Kīlauea volcano, at sunset on Christmas Day in Hawaiʻi Volcanoes ... A family of 3 looks out over ...