A new study calculated an estimate time of when alien life formed in the galaxy It shows aliens emerged eight billion years after the Milky Way formed Researchers suggest the reason we have not made contact is most are dead The team looked at the theory that the progress of science and technology inevitably leads to the destruction of civilizations to uncover these findings The study also suggests any life is far too young for humans to observe The team concludes Earth is too far from aliens living near the galactic center