Thanks Gummie and Aurelius. It is definitely time for another lube, and I have not checked the rear axle to make sure it was tight, probably important!
While I am asking questions... My brakes sounds like a pack of hyenas whenever I touch them. Light pressure, full OMG I'm gonna DIE!!! pressure, whatever. They s.c.r.e.a.m. It seems like if I clean and sand the disks lightly the noise goes away, for about a mile. Then as soon as some dust gets on there it is right back to howling. I realize my bike is an "entry level' nice bike with lower level components(Trek Marlin) but still, I do not hear any other bikes when I am out riding.
Doesn't really matter though. They still lock up whenever I ask of them, so they have plenty of stopping power. And it lets those behind me know I am slowing