With a competent guide, active volcano treks are both safe and worth the climb. Here are some of the biggest active volcanoes ...

A man from the Dallas area isn't letting his Multiple Sclerosis diagnosis keep him down as he hopes to climb Mount Scott.

A restive volcano in the central Philippines spewed a column of ash as high as 4.5km (2.8 miles) into the sky on Monday morning, prompting authorities to raise the alert level at Mount Bulusan and ...