Five players scored in double digits for the Terps Saturday afternoon.
The Terps gave the ball away 15 times in Wednesday's loss to the Wildcats.
Ashley Owusu led the way with 22 points as the Terps picked up their ninth straight win.
The Terps have reeled off eight straight wins, all of which have been by double digits.
The loss snaps the Terps' five-game winning streak.
Hart scored 10 points against Michigan State on Sunday.
Though the Terps scored a season-low 62 points, they held Northwestern to just 50 points.
The Terps went on an 11-0 run in the game's first four minutes.
The Terps held the Wildcats to just 30.2 percent shooting.
The win was Maryland's fifth in a row.