2020 Missions to Mars

Mars is the destination of choice for three Mars missions this summer, with the US, China and the United Arab Emirates all preparing for launch. Space Boffins Richard Hollingham and Sue Nelson hear about UAE plans for a Mars habitat, talk to a UK engineer working on ways to return samples to Earth, and chat to the Mars Society's Lucinda Offer about ambitious plans for Martian settlements. Nicolas Booth, co-author of The Search for Life on Mars - The Greatest Scientific Detective Story Ever Told, talks landers, life, and rovers, and they review Spaceship Earth, the new movie about the 1990s Biosphere 2 experiment...