A newly mapped fracture beneath an urban volcano has sharpened long-standing fears about how modern cities cope with geologic risk. The discovery of this deep structural break, running directly under ...

Of all the forces of nature, volcanoes are some of the most unpredictable, but some researchers think this volcano is waking ...

Austin isn't just known for its music and food; it's home to Pilot Knob, Texas' largest extinct volcano, a hidden gem near McKinney Falls State Park and the airport.