A giant molecular cloud has just been discovered in the Milky Way. This structure, located 23,000 light-years away, weighs the equivalent of 160,000 times our Sun. Using the Green Bank ...

A schematic showing how the X-ray flares from our supermassive black hole, Sgr A*, propagate outwards, interact with and re-emit light from molecular clouds and then travels to Earth. The X-rays ...