Astronomers have discovered a ghostly, million-light-year-long bridge of stars connecting two massive galaxies within the ...

In a preview of observations that will be made routinely by the Vera C. Rubin Observatory, astronomers found evidence ...

The Sculptor galaxy is a treasure trove of information that astronomers around the world cannot wait to pick apart.

The Andromeda galaxy is the galaxy next door, a very faint, fuzzy thing in the night sky, larger than a full moon. Textbooks claim it’s visible to the naked eye. Most of us have never noticed it.