What is the proper relationship of the natural world and the moral world? Are they completely disconnected from each other or is nature in some way morally significant? In the 18th century the philosopher David Hume proposed what has come to be known as Hume's Law, which states that one

An introduction to the basic issues of space ethics: the technology, the impact on society, and the frontiers of thinking about space exploration from theory to practice.

Knowing the Natural Law traces the thought of Aquinas from an understanding of human nature to a knowledge of the human good, from there to an account of ought-statements, and finally to choice, which issues in human actions. The much discussed article on the precepts of the natural law (I-II,

Accounts of natural law moral philosophy and theology sought principles and precepts for morality, law, and other forms of social authority, whose prescriptive force was not dependent for validity on human decision, social influence, past tradition, or cultural convention, but through natural reason itself. This volume critically explores and assesses

How universal are our moral obligations? Should we attempt to communicate with life beyond our planet? What is "life"? Social and Conceptual Issues in Astrobiology explores the most important questions related to the field of astrobiology, and the resulting book is the most comprehensive, interdisciplinary approach focused on the humanistic