The captivating possibilities of extraterrestrial life on exoplanets based on current scientific knowledge of existing worlds and forms of life It is now known that we live in a galaxy with more planets than stars. The Milky Way alone encompasses 30 trillion potential home planets. Scientists Trefil and Summers bring readers on a marvelous experimental voyage through the possibilities of lifeunlike anything we have experienced so farthat could exist on planets outside our own solar system. L