"Many who gaze up at the stars twinkling at night wonder if there could be life somewhere out in the universe. This exciting title allows budding astronomers to explore the scientific ways this could be possible! It begins with explanatory text covering key concepts behind the formation of life on our own planet. The fascinating text covers the theories behind what makes life possible, some of the most extreme conditions in which it can exist, and what is involved in trying to find other life-forms in our vast universe."--Amazon.com