This study examined the views of nature of science (NOS) of secondary school in-service science teachers in Egor Local Government Area of Edo State, South-South, Nigeria, relative to experience and professional training. Three research questions and two hypotheses guided the study. The study adopted the descriptive survey design. The population for the study comprised 211 secondary school in-service science teachers in Egor Local Government Area of Edo State, SouthSouth, Nigeria.