The defeat snapped the Terps' 10-game winning streak.
Collins and Bibby combined for 30 points and 23 rebounds against the Badgers.
Mimi Collins grabbed a career-high 17 rebounds to lead the Terps.
The Terps are undefeated since her injury on Dec. 3.
Five players scored in double-digits for the Terps, who continued their undefeated start in Big Ten play.
Owusu and Miller scored 20 points each.
"I was able to do it all."
Mimi Collins scored a career-high 22 points to lead the Terps.
With Reese potentially out until March, Mimi Collins and Faith Masonius are being called upon to replicate her impact.
“She’s a bucket. You look at her and you know she’s a bucket."