"All the odd shapes and swirling gas observed in the Perseus cluster now make sense," said astronomer James Lee.

The Andromeda Galaxy's family of dwarfs are an enigma. First it was the unusual flat plane around which more than half of them orbit, and now this lopsidedness. It just goes to show that sometimes it ...

A merger of galaxies and their supermassive black holes in the ZS7 system was spotted by the James Webb Space Telescope. The merger occurred when the Universe was about 740 million years old. Credit: ...