50 years ago, Earth’s chances of contacting E.T. looked slim
The possibility of life … on other planets has stimulated many people’s imaginations…. In the Feb. 9 Nature, James C. G. Walker of Yale University studies the possible parameters of such a search and comes to some pessimistic conclusions. UpdateWalker estimated it could take 1,400 to 14 million years to contact E.T. with the available ... Read more