Hawking: We need to go to other worlds, Earth becoming too small for us Prison Planet.com Posted on June 21, 2017 Posted in Aggregated No Comments Tagged with Sci Tech RT | Renowned physicist Stephen Hawking has warned yet again that humans should leave Earth and explore other planets to avoid doomsday. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email