The following sites will help you find out more about human sexuality from respected researchers in the field.
CREGS: Center for Research and Education on Gender and Sexuality mission is to produce and disseminate knowledge and resources that address the impact of gender on health and well-being, promote healthy sexuality, and reduce sexual and reproductive health disparities.
International Society for the Study of Women's Sexual Health is a multidisciplinary, academic, and scientific organization whose purposes are: To provide opportunities for communication among scholars, researchers, and practitioners about women's sexual function and sexual experience; To support the highest standards of ethics and professionalism in research, education, and clinical practice of women's sexuality, and; To provide the public with accurate information about women's sexuality and sexual health"
Society for the Scientific Study of Sexuality is a non-profit professional membership organization. ... Membership of the Society includes anthropologists, biologists, educators, historians, nurses, physicians, psychologists, sociologists, theologians, therapists, and many other disciplines."
The Society for Sex Therapy and Research is composed of a broad range of professionals who have clinical or research interests in human sexual concerns. SSTAR's goals are to facilitate communications among clinicians who treat problems of sexual function, sexual identity, and reproductive life, and to provide a forum for exchange of ideas between those interested in research in human sexuality and those whose primary activities are patient care."
The Kinsey Institute at Indiana University works towards advancing sexual health and knowledge worldwide. For over 60 years, the institute has been a trusted source for investigating and informing the world about critical issues in sex, gender and reproduction."