The appearance of the first newspaper websites fifteen years ago gradually called into question the social sciences' research on journalism. This article reviews the international literature on that research and highlights both the historical continuities and the discontinuities of journalists' activities. Six main themes are apparent throughout: technical innovation in the press; the production of on-line news; Internauts' contribution to news production; changes in professional identities; the economic models of the on-line press; and the uses of information on the internet.