Off to Europa, and life on Mars

NASA's Europa Clipper mission is about to head off on a five year mission to explore one of Jupiter’s largest moons. NASA/JPL planetary geologist and mission project scientist Cynthia Phillips joins Space Boffins Sue Nelson and Richard Hollingham to discuss this intriguing icy world and why it could be potentially habitable for life. Plus, engineer, author and president of the Mars Society, Robert Zubrin, on his latest book The New World on Mars. He reveals the connections between America’s first pilgrims and how societies and cities will emerge on the red planet once human colonisation is underway...