Today the human race is a single twig on the tree of life, a single species on a single planet. Our condition can thus only be described as extremely….

Unless people can see broad vistas of unused resources in front of them, the belief in limited resources tends to follow as a matter of course. And i….

I would say that failure to terraform Mars constitutes failure to live up to our human nature and a betrayal of our responsibility as members of the ….

The White Mars [project] is a bold move that will add significantly to our understanding of how to deal with the challenge of human exploration of th….