Beagle 2 lander   Colin Pillinger of the Open University, Milton Keynes, UK, pictured with Beagle 2.   Beagle 2 is travelling to Mars on ESA's Mars Express, launched in June 2003. Beagle 2, a UK-led project, will look for chmecial traces of life on Mars. On the Martian surface, the lander will open up to expose five solar panels and let the instruments on the robot arm get to work. (Photo: all rights reserved Beagle 2)