Research is the systematic investigation and study of materials, sources, or subjects in order to establish facts and reach new conclusions. It involves gathering information, analyzing data, and drawing conclusions based on evidence. Research can be conducted in various fields, including science, social sciences, humanities, and business. It plays a crucial role in advancing knowledge, solving problems, and making informed decisions. Research methods can vary depending on the discipline and the nature of the study, but commonly include literature reviews, experiments, surveys, interviews, and data analysis.