Using the Subaru Telescope's wide-field camera, astronomers have discovered a previously unknown structure surrounding a tiny ...

Understanding how galaxies grow has long stood as one of astronomy’s core challenges. Over time, scientists have gathered evidence that galaxy mergers matter. When two galaxies move close, gravity can ...

The schematic artistic view of the Cosmic Owl, consisting of twin collisional ring galaxies with binary AGN. Credit: arXiv (2025). DOI: 10.48550/arxiv.2506.10058 An international team of astronomers ...

A rare cosmic alignment has revealed three supermassive black holes blasting radio jets at the same time inside a tangled galaxy merger, turning a distant patch of sky into a natural laboratory for ...

Picture the Milky Way galaxy-a disk of stars and gas, a stellar spheroid and an enormous halo of dark matter. It spirals around a black hole that is supermassive-about three million solar masses. The ...

It takes more than a galaxy merger to make a black hole grow and new stars form: machine learning shows cold gas is needed too to initiate rapid growth -- new research finds. When they are active, ...

While studying a nearby pair of merging galaxies scientists have discovered two supermassive black holes growing simultaneously near the center of the newly coalescing galaxy. These super-hungry ...