Scientists monitor Yellowstone's magma, emphasising the unlikely but potential for a super-eruption that could cause worldwide devastation.

The Pacific Ring of Fire is a vast, horseshoe-shaped belt of intense geological activity that wraps around the Pacific Ocean.

Scaling the mighty Acatenango volcano is an exhilarating experience, but Robyn Wilson discovers that when embarking on these ...

Dombrowski's guidebook includes walks and hikes for all ages and levels of ability, including those who depend on wheels for mobility.