abstract: This paper explores the various aspects of nursing as a science and its impact on nursing since its conception.A review of three major peer reviewed articles 1-3 was completed and defined nursing as a science founded on empiric knowledge or scientific knowledge and expanded by nursing theory through the four ways of knowing or epistemology in nursing, nursing conceptual frameworks through nursing theorists, and evidence-based practice (EBP) models for care Chinn and Kramer 4 to support nursing p