First of all, in this paper we provide some clarifications on the several meanings of the term ‘ethics’, above all in the light of contemporary discussions on this matter. Then we analyze an important ethical concept, i.e. the concept of moral responsibility, for the sake of clarifying some problems concerning the human-robot relationship. Finally, we try to develop a well defined pattern of “ethics of responsibility” in order to give a general background for resolving concrete dilemmas that may arise in (...) the artificial world. (shrink)