Volcanoes repeatedly remind people of Earth's potential for violence. Since 1700, volcanic eruptions have killed more than 250,000 people and devastated scores of communities. What causes these ...

Have students list and then share what they know about volcanoes. Where are volcanoes found? How are they formed? Do all volcanoes give off the same type of material? (Volcanoes emit lava, tephra or ...

It comes as no shock that a potentially new type of volcanic lightning had long eluded scientists: The bolts can be as short as about 3 feet (1 meter) long and last just a few milliseconds. But ...

Is there anything more spectacular than a towering lava fountain? Think about what it is: glowing red molten rock being shot into the sky, potentially hundreds or thousands of feet. As ubiquitous and ...

Volcanic eruptions are perhaps nature's most terrifying display of power. Catastrophic eruptions of volcanoes like Mount Vesuvius, Krakatoa, and Mount St. Helens have gone down as some of the most ...

Volcanic eruptions are a constant threat for people living on Iceland's Reykjanes peninsula. Italy's Mount Etna and Hawaii's Kilauea are just as active. When the sky turns orange, it's a sight to ...

If the moon were actually made of cheese, there'd be a new flavor of dairy for humans to sample. Data from NASA's Lunar Reconnaissance Orbiter (LRO) have revealed a new type of rock on the lunar ...