SpaceUp and at 'em: Rosetta craft gaining on target comet After a mysterious half-hour delay, the Rosetta spacecraft has phoned home that it is alive and well – and has started chasing comet Churyumov-Gerasimenko News
LifeWater plumes spark a race to Jupiter moon Europa Recent water geysers on Europa are raising hopes that the icy moon is a hot destination in the hunt for alien life – several craft are lining up to visit News