Despite a 27-point double-double from Kiyomi McMiller against her former team, Penn State fell short against Rutgers in Rec Hall.
The Nittany Lions fell to 0-7 in conference play.
Gavin McKenna recorded two goals to have his first multi-goal game of the season.
Penn State improves to 4-0 with a top-10 victory.
Penn State women's hockey beat Syracuse in all four contests this season.
The game featured 14 power plays and a hat trick from Matt DiMarsico.