constellation sagittarius

<!-- -->Clouds of gas cover the entire view, in a variety of bold colors.The American space agency NASA's Hubble Space Telescope recently captured a stunning image of NGC 6530, which is a young open cluster of stars in the southern…

On August 15, 1977, a mysterious 'Wow!' signal had briefly blared through a radio telescope that lasted for 72 seconds. Now, almost half a century later, researchers may have discovered the source of the alleged alien broadcast. A study…