(CNN) — The Philippines’ most active volcano began spewing lava and sulfuric gas Sunday, prompting the evacuation of nearly 13,000 residents in the southeast of the country’s main island, authorities ...

AtIndonesia’s Kawah Ijen volcano, a breathtaking blue glow emerges at night, setting it apart from most volcanoes where lava burns in shades of red. At Kawah Ijen, however, the molten sulfur flows ...

A proposed technique to counter global warming by spraying sun-reflecting particles near the poles would cause commercial ...

Add Yahoo as a preferred source to see more of our stories on Google. While the two photographs were authentic, they did not show “blue lava” erupting from a single volcano. Rather, the material that ...

The Kilauea volcano, in Hawaii, has been acting up lately, and all kinds of nasty stuff is pouring out of it. But perhaps the chemical of most concern – sulfuric acid – doesn't come from the volcano ...