Fire and Ice: The Volcanoes of the Solar System

A tour of the Solar System's tallest, hottest, coldest and weirdest volcanoes – and a look inside what makes them erupt.

The volcano – among the most familiar and perhaps the most terrifying of all geological phenomena. However, Earth isn't the only planet to harbour volcanoes. In fact, the Solar System, and probably the entire Universe, is littered with them. Our own Moon, which is now a dormant piece of rock, had lava flowing across its surface billions of years ago, while Mars can be cred...