It was located 26,000 light-years away in the center of the Milky Way. It was a powerful engine that periodically sucked in ...

Instead of a relatively distant dark galaxy, Westmeier thinks the object is more likely a regular gas cloud at the edge of the Milky Way. “I’m very skeptical about the claims that they’re ...

Colored in blue, cyan, yellow and white, the main image — whose many bubbles of color are remnants of supernovas — span 1,000 light-years of the Milky Way. The new radio image helps to put in ...