Will you be the first to walk on Mars?
The Mars 2020 mission is going to send a rover to the planet to look for relics of life. But what are the plans and technology in place for the mission and has the red planet ever held the potential for life? Justin Webb speaks to Professor Carolin Crawford from the University of Cambridge and former BBC science correspondent David Whitehouse to find out more about the project. (Image: Mars colour image, credit: Getty Images)