The eccentric tech mogul is scheduled to appear Friday at the 2017 International Astronautical Congress in Australia, where he's expected to unveil a broad update to SpaceX's plans to colonize Mars. After multiple fuel deliveries top off the spaceships, and when Mars is in ideal orbital alignment with Earth, the spaceships will begin their trek to Mars. Related: NASA powers up spacecraft that could one day carry humans to MarsAnd even though Musk's Mars plans may sound far-fetched, many in the tech and science community are dead serious about immigrating to other planets. Boeing (BA) -- SpaceX's competitor in the commercial space industry -- has said it plans to beat SpaceX and NASA to the Red Planet. And Lockheed Martin (LMT), a frequent Boeing partner in the aerospace field, has plans for a "Mars Base Camp," which could be complementary to SpaceX's efforts.

Source: CNN September 28, 2017 16:49 UTC