A brief history of Mars exploration
- 7 years ago
The ExoMars mobile rover, tasked with recovering evidence of life on the Red Planet, will touch down in 2021 at one of two sites. The final decision -- to be made a few months before the 2020 launch -- will in some ways pit scientists against engineers: one site is more varied geologically, while the other is less rocky, and thus easier for the rover to navigate. VIDEOGRAPHIC