volcano
Molten rock and water can be an explosive combination. Scientists are trying to learn why.
Peer into the depths of molten Mother Earth.
Welcome to one of the world's most active volcanoes.
All those years playing "the floor is lava" could finally pay off.
WHAT'S HAPPENING
Tungurahua emits lava and a column of ash four miles high.
"I'm not scared because I'm used to it."
Mexico's Colima just can't stop erupting.
The "world's most isolated ice caves" could tell scientists a lot -- but they're disappearing rapidly.
"It’s the only thing like it that has ever formed," scientists say.
"Dirty thunderstorm" broke out as the volcano exploded into life for first time in two years.