In science teaching it is agreed that an important topic of this is the approach on the Nature of Science (NOS), this aims to discuss the construction of scientific knowledge, demystifying stereotypes about science and the work of the scientist. It is considered that a better understanding of scientific and technological development can contribute to the formation of citizens who make more informed decisions about Science and Technology. Considering the relevance of the topic, the studies about NOS are increasing, generating works that analyze the tendencies of this topic in articles, however, there is a shortage of papers that focus on Brazilian theses and dissertations. In this sense, the objective of this research is to map how these studies about NOS in Brazil are distributed, as well as to analyze the trends of these, in relation to the research objectives. The research is of the knowledge state type, of a quanti-qualitative nature. The composition of the data was done in the Bank of Thesis and Dissertations of CAPES and the analyzes were done using Content Analysis. A total of 233 studies were found, with higher productivity since 2008. Research is concentrated in the southeastern region of the country, in public institutions and the most studied subjects were didactic strategies and conceptions about NOS.