Chance discovery refers to an unexpected and unplanned discovery that often occurs by accident or luck. There are several synonyms for this phrase, including serendipitous finding, accident discovery, unexpected breakthrough, lucky find, fortuitous revelation, and happenstance revelation. These phrases all describe the same concept of discovering something valuable or useful without intentionally setting out to do so. Chance discoveries have often led to groundbreaking scientific discoveries, innovative inventions, and life-changing experiences. While chance discoveries cannot be predicted, they can offer a sense of excitement and wonder, reminding us of the limitless possibilities that exist in the world.