It's volcano week, so it would seem like a lost opportunity to not write about the tallest volcano in our entire solar system, Olympus Mons – no-one said that the volcanoes had to be on Earth…

The Aleutian Islands are the northern boundary of the Pacific Ocean's 'ring of fire'. Starting just off the Alaska Peninsula, an arc of more than 300 volcanic islands stretches for almost 2,000km across the Pacific. While…

There's a hidden fact about northern Arizona that many non-residents don't know. The landscape is littered with more than 600 volcanoes, many of which tourists drive right by without a passing glance, as they continue on…

The 400 metre hill known as the Wrekin is a familiar landmark across Shropshire. An isolated peak amid flat farmland, the Wrekin is visible from many miles away, and a popular belief has developed among Salopians…

We all know Antarctica as the home of extreme cold and ice, but not everythingthere is cold, for the Ice Continent is also home to the world’s southernmost volcano. Rising out of the Southern Ocean at the centre of Ross Island, Mount Erebus sits just over 12 degrees north of the South Pole and has been in a state of eruption since 1972.

This week sees the return of our longest-standing theme week, which is now entering its sixth year: Volcano week. The theme of the week is "volcanoes", but over the next few days we hope to discover…