Resizing the scene in-editor?

Hey, just wondering, is there a way to re-size the scene in the editor? It seems like you can only scroll left and right so much. . . and it’s not that much?

You can use either the mouse wheel, CTRL+"+" (or minus) or pick a zoom level from the drop down at the upper right of the scene editor.
With the mouse wheel pushed down you can also pan the window a bit easier than with the handles.

So does the scene not have an actual pre-defined size? That is, it can be arbitrarily big, just going on for as long as you have placed objects in the scene? Since the handles only do slide over so far, I’ll have to give the M3+drag trick a try. I didn’t realize that was a feature. Thanks for that tip.

Yes, the scene size is infinite.