Britain is going to Mars. Beagle 2 - a space lander shaped like a clam and no larger than a portable barbecue - is about to make history. Named after HMS Beagle, the ship in which Charles Darwin travelled around the world, Beagle 2 has hitched a ride aboard the European Space Agency Mars Express. On reaching the red planet, this tiny British space probe is designed to answer one big question: is there, or was there, life on Mars?;In 'Beagle', Colin Pillinger explores the remarkable similarities between these two historic ships, the sailing ship and the spaceship, and their great voyages of exploration. Both were at the forefront of technology for their respective generations. HMS Beagle led to the discovery of the secret of life on Earth - can Beagle 2 possibly do the same for Mars?