Book excerpt: The Search for Aliens: A Rough Guide to Life on Other Worlds provides the first vivid and completely accessible guide to the most exciting field of modern science: the search for extraterrestrial life. All the latest research projects are identified, located and described; everything from radio dishes searching for intelligent alien signals to deep oceanic research, seeking links between terrestrial organisms and the broader cosmos. It also explores the idea of Panspermia, the notion that asteroids and comets brought biological building blocks to the early earth, plus exactly which factors must align for life to arise across our galaxy and the universe. The Search for Aliens: A Rough Guide to Life on Other Worlds explains why we may be closer than ever to finding out the answer to the question: is there any life beyond life on earth? Now available in ePub format.