The search for alien life seems like it could go on forever. So, with billions of stars, planets and potential alien homes to choose from, why hasn't extra-terrestrial life made itself known? The Fermi Paradox goes some way to explaining the absence of aliens, but there are other theories too!
Alien, ET, UFO, Alien life, Extra terrestrial, Extra-terrestrial, Another planet, Aliens exist, Are aliens real, Do aliens exist, alien proof, UFO sighting, Where are the aliens, Where are all the aliens, Life on Mars, Alien tech, Alien race, Proof of life, Alien sighting, Fermi, Alien probe, Sci-fi, What if, Unveiled, Getty,