In this September 29, 2017 file photo, SpaceX CEO Elon Musk speaks at the International Astronautical Congress on September 29, 2017 in Adelaide, Australia. Musk detailed the long-term technical challenges that need to be solved in order to support the creation of a permanent, self-sustaining human presence on Mars.

Tesla and SpaceX founder Elon Musk spoke Sunday about the timeline for sending a space vehicle to Mars, CNBC reported. Musk told the audience at the South by Southwest festival held in Austin, Texas, that the…

Photo Credit: Getty Images/Mark Brake