Hawaii volcano: How many people do volcanoes kill?
Red-hot rivers of lava and clouds of ash can be deadly - but death by volcano is not inevitable.
Author Archives: BBC News - Science & Environment
Alan Bean, moon-walking astronaut and artist, dies aged 86
The fourth man to walk on the Moon became an accomplished painter, finding inspiration in space.
Virgin boss Sir Richard Branson readies himself for space
The UK entrepreneur puts himself through a gruelling training programme so he can rocket to space.