When I grew up we had at least two papers, sometimes three. One was leaning left, other leaning right.
These days it's what Ground News[1] is trying to do from what I can gather, though haven't tried them as they don't cover the news in my country.
[1]: https://ground.news/
^: which somehow became someone else's opinions in last decade. There's still opinion column. But there's no difference these days. It didn't use to be like this in the past. Journalists used to report events and facts without commentary or would add commentary in the end with some label on it.
However typically, a single dimension is a useful first-order approximation[1], and so that's what's done in politics as well. As with all approximations, sometimes it works well and other times it does not.
We still mostly talk about them as distributed along a left to right axis. Though as I mentioned it's not a perfect approximation.