And irregular galaxies, as their name suggests, lack a predictable, organized shape. But ring galaxies don't fit into these neat categories. This has led some researchers and citizen scientists to ...

Potential polar ring galaxy NGC 4632. The picture shows a gaseous ring perpendicularly circulating the main spiral disk of the galaxy. [Credit: Jayanne English (U. Manitoba), Nathan Deg (Queen's U.) ...

NASA’s newest space telescope rocketed toward orbit Tuesday to map the entire sky like never before — a sweeping look at hundreds of millions of galaxies ... own separate polar orbit, the ...