In the digital age, organizations are producing vast amount of data at a number of different sources including social media, sensors, financial transactions and mobile devices. Such large and complicated datasets cannot be handled effectively using the traditional data processing systems. Big Data Analytics and Data Science have become the highly potent technologies that help organizations to derive meaningful information and facilitate the process of decision-making. Data science is a field that involves the combination of statistics, machine learning, data mining, and programming to handle structured and unstructured data. Big Data Analytics is concerned with the processing of very large volumes of data with the help of sophisticated tools and distributed computing systems. The present research paper examines the idea of data science and big data analytics, its features, technologies, uses, and issues. It also brings out the way in which the organizations apply these technologies in enhancing their operational efficiency, and forecasting future trends as well as competitive advantages. The research makes a conclusion that data science and big data analytics can change the industries through the implementation of the two practices of data-driven decision-making and innovation.