According to several recent polls, more than 80 percent of Americans believe in life after death. Of those, many adhere to their beliefs because of religious faith. Beyond religion, though, there is increasing scientific examination of life after death hypotheses. Both religious and secular believers are more frequently using empirical research to answer the key questions of how consciousness may transcend corporeal life and death. These essays from leading survival theoreticians scientifically assay the issues and evidence. Interdisciplinary in nature, it covers diverse topics including the origins of life after death hypotheses; theoretical, methodological and empirical approaches to afterlife research; hallucination experiences; evidence for consciousness survival; birthmarks and previous-life memories; suicide; and spirit participation. Concluding chapters discuss the future of afterlife research and offer a new interpretation of consciousness survival.