Tristan da Cunha is a group of islands in the South Atlantic that formed from the breakup of the supercontinent Gondwana.

Scientists have long suspected that a gigantic eruption was behind the strange atmospheric phenomena of 1831. Scientists have finally figured out which volcano blew its top.

Locals have revealed details of the final moments of a surfer believed to have been killed in a shark attack as the search for his body is set to resume.