Space2014 preview: First touchdown on a speeding comet The Rosetta spacecraft will orbit comet Churyumov-Gerasimenko before releasing a lander that could determine the origin of Earth's oceans ¿ìè¶ÌÊÓÆµ
PhysicsDoctor Who anniversary: 12 ways to become a Time Lord The world's longest-running science fiction show has its 50th anniversary on 23 November. We examine the ways that the fiction is rooted in reality ¿ìè¶ÌÊÓÆµ