Volcanoes

Picture this: a mountain cracks open and spews a towering column of ash, gas, and pulverized rock miles into the sky. That’s a volcanic plume—nature’

Mount St. Helens blew 540 million tons of ash into the atmosphere on May 18, 1980, killing 57 people and flattening 230 square miles of forest. That’

Mount Pinatubo in the Philippines had been quiet for 500 years when it decided to wake up in 1991. Scientists had exactly two months from the first earthquakes

Nobody actually knows how many volcanoes exist on Earth. The number depends entirely on your definition of “volcano” and whether you’

Deep beneath your feet, maybe a hundred miles down, there’s a place so hot and pressurized that carbon doesn’t just burn—it crystallizes into

Mount St. Helens blew its top in 1980, flattening 230 square miles of forest and leaving behind what looked like a moonscape dusted with ash.

The Moon’s face is pockmarked with dark patches we’ve called maria—’seas’—since Galileo first squinted through his telescope in 1609.

Tephra sounds like something you’d order at a Greek restaurant, maybe with extra tzatziki. Instead, it’s the umbrella term for everything a

The ground shakes. Then it shakes again. You’re thinking earthquake, obviously—except this time there’s a mountain involved, and it’

Io doesn’t care about your atmospheric theories. Jupiter’s innermost large moon—roughly the size of Earth’s moon but with the personality