Peering into the past, we find that our ancestors held a surprisingly advanced understanding of the stars and constellations. Their knowledge, as revealed in ancient texts, often rivals our modern ...

An ancient and enigmatic stone circle in the Middle East may not be a prehistoric astronomical observatory after all, according to a new study of satellite images. But some of the criticisms may be ...

Long before modern telescopes, early astronomers mapped the heavens with math, myth, and sheer curiosity. This crossword quiz celebrates the minds who first charted the cosmos. When you purchase ...