Elon Musk says there’s been no signs of aliens in his SpaceX work. Chesnot/Getty Images Elon Musk says has hasn’t seen “evidence of aliens” in his career of galactic exploration. Musk spoke about SpaceX’s Starship, outer space, and more at a conference on Thursday. The SpaceX CEO has previously joked about his relationship with aliens and even identified as one. Elon Musk says he hasn’t seen…