The vastness of space has always fueled the question: are we alone? Extraterrestrial beings, or aliens, come in many forms in our imaginations - from little green men to advanced civilizations. While we haven't found definitive proof, the ongoing discovery of exoplanets (planets outside our solar system) makes the possibility more exciting than ever. Scientists are actively searching for signs of life, from microbes to intelligent beings, that could change our place in the universe…