There are two main types of volcano - composite and shield. The two types of volcano form in different places and have very different characteristics. Ash released from shield volcanoes often ...

Mount Etna in Sicily, Italy, is an example of a composite volcano. Shield volcanoes do not have such violent eruptions. These volcanoes tend to have gentle slopes and their runnier lava spreads ...

Filmed by Martin C., this clip offers a staggering look at an active volcano. The volcano in question is Piton de la Fournaise (Peak of the Furnace), a tourist hub on Réunion island. From ...