A Democratic Senate is projected, though not a sure thing.
Control of the U.S. House will be very, very close. Almost might be better looking ahead to '24 if if the Republicans win a tiny victory there only for their various factions to tear themselves apart.
For instance: Impeach Biden? Would they have the votes? Hard-right MAGA types will surely want to, but this election sends a powerful signal that most of America doesn't want that kind of pointless drama.