A hiker is pictured trapped on a ledge at Bell Rock, near Sedona, Arizona. Yavapai County Search and Rescue A “disoriented” ...

Scientists are keeping a close eye on three US volcanoes after their threat levels rose Thursday, suggesting eruptions may be ...

On Monday, the first eruption of Etna this week occurred in Italy. In the following days, lava began to flow from the Bocca ...