About half a century ago, astronomers theorized that the Solar System is situated in a low-density hot gas environment. This…
Black holes swallow everything—including light—which explains why we can't see them. But we can observe their immediate surroundings and learn…
On July 7, 2020, the X-ray instrument eROSITA captured an astronomical event that – until then – had only been…
Germany is flexing its muscles. The German government recently announced a massive increase in military spending to counter Russian military…
Our sky is missing supernovas. Stars live for millions or billions of years. But given the sheer number of stars…