Did you know that Arizona is home to some of the world's most intriguing volcanoes? These ancient giants, like the San Francisco Peaks, have remained mostly quiet but were once the scene of massive ...

For nearly 50 years, an Arizona volcano has housed epic art, with work on it ongoing. Internationally acclaimed light and space artist James Turrell, who also has his art exhibited at the Scottsdale ...

PHOENIX — A volcano reportedly the size of Arizona was found 1,000 miles off the coast in Japan in the Pacific Ocean. According to Newser, the volcano, Tamu Massif, is Earth’s largest volcano and one ...

Arizona hosts multiple volcanic fields, and new research suggests there may be more young volcanism in the state than ...

Volcanoes and contact metamorphism (existing rocks exposed to magma) have played an important role in the geologic history and diverse mineral composition of Arizona. From 1.8 billion years ago during ...

Meteorologist Craig Moeller talks about the big storms rocking Arizona, the Indonesian volcano eruption, and the Thanksgiving weather outlook.