This article describes the origins, development, and changing directions in the oldest peer-reviewed online journal in adult education. An analysis of journal issues by the first author provides evidence of the impact and legacy that "New Horizons in Adult Education" has had on the field of adult education around the world during the past two decades. The content analysis revealed the range of topics, as well as some timeless themes. The major areas covered include the following: the nature and diversity of adult learners, effective approaches and strategies to help them learn, and trends and issues related to distance education and developing technologies. (Contains 3 tables.)