A star that looks older than the universe itself

About a century ago, astronomers discovered a fast-moving star formally known as HD 140283. Initial estimates of its age placed it a perplexing 16 billion years old — a serious problem considering that the universe is 13.8 billion years old. But a recent analysis of this so-called Methuselah Star has re-dated it to… » 3/08/13 9:20am 3/08/13 9:20am