To critically analyze news articles for UPSC preparation, aspirants should focus on identifying the article's main arguments and underlying assumptions. Evaluating the credibility of sources is fundamental, along with understanding the context and potential bias present in the reporting. Aspiring candidates should take notes on significant statistics or examples that support their understanding of current affairs. Engaging in discussions about these articles can further clarify viewpoints and broaden perspectives, ultimately enriching their general knowledge relevant to the UPSC syllabus.