The search for alien life is something that has gripped the world for decades. While telescopes point up at the sky and scan the recesses of space, probes like Voyager 1 are traveling incredible distances in the hopes of finding extraterrestrial life. But where can such life be found? What are the ideal conditions for aliens to live in? And how similar would their planets be to ours?
Click through this gallery to find the answers hidden in interstellar space.