Chandra X-ray Observatory and X-ray Polarimetry Explorer (IXPE) imagery of the Milky Way's core and supermassive black hole ...

"It was something I’ve never seen before and I’ve looked at tens of thousands of images of galaxies over my career," he said.

Discoveries keep pouring out of the James Webb Space Telescope (JWST). Researchers observed an unusual cluster, which they ...

"The biggest surprise of all was that the black hole was not located inside either of the two nuclei but in the middle. We asked ourselves: How can we make sense of this?" ...

As NASA reports, two astronomers working with raw Webb data the space agency periodically makes available to researchers, ...

The largest black hole collision ever recorded has scientists' jaws on the floor — and scratching their heads.

“It’s the most massive [merger] so far,” says Mark Hannam, a physicist at Cardiff University, UK, and part of the LVK ...

How did supermassive black holes come to be? Astronomers have two hypotheses for their formation, and now one of them might have gotten the first tantalizing piece of direct evidence. Researchers ...