PASADENA, CA: Solve a Martian mystery! Puzzle-lovers around the world can try cracking the code on a Planetary Society and LEGO Company mini-DVD mounted on Spirit, the first of NASA’s twin Mars ...

On a balmy Saturday in July, at approximately 15:30 hours, the first signals come in over the radio receiver. Its faint dip dip dip is barely detectable as a small team of engineers and scientists ...