NASA's Europa Clipper mission is about to head off on a five year mission to explore one of Jupiter's largest moons. Planetary geologist mission scientist Cynthia Phillips joins Sue Nelson and Richard Hollingham to discuss why this icy body could potentially be habitable. Plus, engineer, author and president of the Mars Society, Robert Zubrin, on his book The New World on Mars, and how societies and cities will emerge on the red planet once colonisation is underway... Like this podcast? Please help us by supporting the Naked Scientists