Mars, the red planet, is ingrained in our culture, from David Bowie’s extra-terrestrial spiders to Captain Scarlet to War of the Worlds. It has inspired hundreds of authors, scientists and science-fiction writers – but why? What is it about this particular planet that makes it so intriguing? Ancient mythologies defined Mars as a violent harbinger of war, star-gazers puzzled over its peculiar motion, and astrologers defined human personalities by its position and bizarre dance through the sky. And in more recent times, astronomers have explored Mars and its alien characteristics. Nicky Jenner’s ‘4th Rock from the Sun’ reviews Mars in its entirety – its nature, attributes, and impact on 3rd Rock-culture, its environmental science and geology, and its potential as a human colony – everything you need to know about the Red Planet (and quite a few things you don’t).