War remains a grim fixture of the human landscape, and because of its tremendous and ongoing impact on the lives of millions of people, has always attracted the attention of careful, rigorous, and empathetic moral philosophers. And while war is synonymous with death and ruin, very few people are willing to surrender to moral nihilism about war--the view that all really is fair. At the center of debates about war remains the most important question that faces us during battle: whom are we allowed to kill?

This volume collects in one place the most influential and groundbreaking...

The robot population is rising on Earth and other planets. (Mars is inhabited entirely by robots.) As robots slip into more domains of human life--from the operating room to the bedroom--they take on our morally important tasks and decisions, as well as create new risks from psychological to physical. This makes it all the more urgent to study their ethical, legal, and policy impacts.

To help the robotics industry and broader society, we need to not only press ahead on a wide range of issues, but also identify new ones emerging as quickly as the field is evolving. For instance, where...