Terraforming, the act of radically transforming a planet's climate and environment to make it suitable for human habitation, currently belongs to the realm of science-fiction. But it's possible, in theory, and the idea of terraforming our nearest candidate for off-world colonization, Mars, has captivated us for generations now.  But how would we even begin to pull off such a monumental feat of engineering? You can basically boil it down to three simple steps, argue the authors of a recent paper published in the journal Nature Astronomy, who are encouraged by recent breakthroughs in several fields. "Thirty years ago, terraforming Mars […]