From awe-inspiring beauty to catastrophic destruction, volcanoes are among Earth’s most powerful forces. With molten rock bubbling beneath the surface and the potential to change landscapes in an ...

NASA studies Mars more than scientists know about our oceans. The Red Planet is the most studied celestial body, and a new ...

The December 18 explosion is the region’s fourth in three years—and has fired out 10 times more lava per second than any of the past three at their peaks. Here's what happens next.

While it doesn't get much attention, this California national park features a gorgeous mountain lake with blue waters that ...