Xiqing Wang/ BBCSinkholes in China's Guangxi province have become a tourist attraction The couple stands on the edge of the sheer limestone cliff.More than 100 metres (328ft) beneath them ...

Orkney Islands CouncilMarine archaeologist Ben Saunders helps place the wood in the tank for studyA shipwreck found washed ashore on a beach on Orkney has been put in a ...

ISROIndia's lunar mission found remnants of a magma ocean on the south poleThe Moon’s south pole was once covered in an ocean of liquid molten rock, according to scientists.The ...