In 1669, in what has been considered the volcano's worst known eruption, lava buried a swath of Catania, about 15 miles away ...

Despite monitoring systems, eruptions remain difficult to predict. And some tour guides say visitors who choose to explore volcanoes do so at their own risk.

A recent satellite image captured a glowing river of lava flowing down the flank of Europe's largest active volcano as it ...

A recent satellite image captured a glowing river of lava flowing down the flank of Europe's largest active volcano as it spectacularly blew its top and unleashed a towering plume of ash, smoke and ...

The area burned by wildfires so far this season is the second-largest on record in Canada, according to federal government data.