text: Alien Contact More Likely by  quot;Mail quot; Than Radio, Study Says Researchers behind the study speculate that other life-forms may have already sent us messages, perhaps even as organic material embedded in asteroids that have struck Earth.
inputs: Alien Contact More Likely by  quot;Mail quot; Than Radio, Study Says Researchers behind the study speculate that other life-forms may have already sent us messages, perhaps even as organic material embedded in asteroids that have struck Earth.