This chapter examines scientific collaboration as a multilevel dialectic process across teams, academic communities, and society. Moving beyond the myth of the lone scientist, it adopts a systemic perspective on knowledge creation, where idea generation and elaboration unfold through thesis, antithesis, and synthesis. At the team level, collaboration refines ideas through explanatory activity; at the community level, peer review and symposia establish validation boundaries through mutual criticism; and at the societal level, diverse perspectives challenge specialized norms and activate shared scientific praxis. A case study of archaeological fabrication in Japan illustrates how these interactions form a fractal structure of knowledge creation, balancing personal interests and collective rationality. The chapter concludes with implications for fostering creativity, reliability, and trust in science within open and responsible research frameworks.