In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

One cannot talk about Yellowstone without mentioning the famous Old Faithful. This geyser's reliable eruptions make it a must ...

Millions of years ago, a volcano created Wheeler Geologic Area. We visited the hoodoo-filled landscape and learned what it ...

A stunning eruption has rocked Indonesia's Flores Island as Mount Lewotobi Laki-Laki spews a 63,000-foot-high toxic ash cloud into the sky. Captured in dramatic footage, this powerful blast forced ...

Dozens of flights to and from Indonesia's Bali island were canceled after a volcano belched a colossal ash tower 11 miles ...

Residents are wearing masks to protect themselves from thick volcanic ash that is blanketing several Indonesian villages as ...

Experts are warning that hundreds of dormant volcanoes around the world will likely become more active and erupt thanks to ...