* Astronomy

Geologists find cause of Limpopo mystery 'volcano'

For months residents of Limpopo's Sehlakwane village have lived in fear that a mystery fire will return and wipe them out.
The villagers' fears began earlier this year when a wetland in the centre of their village dried up. But within weeks the ground began to smoke and then glow red, and flames appeared in places where water once was.
Read more