Just 190 light-years from Earth, HD 140283, also known as the Methuselah Star, has puzzled astronomers for decades. Early measurements suggested it was 14.5 billion years old older than the universe itself (13.8 billion years). That shouldn't be possible. And yet, this ancient, fast-moving, metal-poor star keeps challenging our understanding of cosmic history. Thanks to newer data and better modeling, scientists now believe it might be younger barely with enough margin of error to fit within the