When dragged out over a quarter-century, starting off with a slightly defective main mirror, it's easy to become blasé about what the HST has accomplished. But when you put it all together in one easily accessible article, huh, wow! Link to article at medium.com. Definitely worth a few minutes of your day.
They just keep going, going off into the deep, deep distance...
In particular, the Deep Field images and their implications are almost beyond words. "Hey, let's look off into nothingness, in particular the most nothing nothingness we can find. Just to see what shows up. If anything. C'mon, it'll be cool." Oh, there was something there alright.
More, and also accessible, information at Wikipedia.