As a former NASA mission planner, I would signal a "no-go" for human colonization of the moon and Mars. The human body's functions cannot tolerate the long-term effects ...

TIME: Much of what you write about in the book involves the idea of “dispersal” as an evolutionary process that could dramatically change the human species. Describe what you mean by that. Scharf: ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American A new life awaits you in the off-world ...

Arthur Clarke, screenwriter for the blockbuster film "2001: A Space Odyssey," has been resurrected as an advanced OpenAI chatbot to help map out the transformation of Mars into a new Eden for humanity ...

There are substantial technical, political, and financial obstacles to starting the colonization of Mars within the next few decades. SpaceX is farther along than most toward this ambitious goal.