EarthWhat a surprise – the end of the world has been delayed, again The planet Nibiru was meant to wipe us out on Saturday. Undeterred by a no-show, doomsday theorists are already peddling more nonsense, warns Geraint Lewis Comment
SpaceCassini's Grand Finale: The spacecraft that unveiled Saturn From magical rings to loony moons to giant polar hurricanes, in 13 years orbiting Saturn the Cassini probe has exposed many wonders. Here's our pick Features