UTA recorded seven hits in the game that lasted just over two hours.
The Mavericks came two runs short of taking down the second-ranked Aggies in College Station.
UT Arlington picked up its first series win since March 15 of this season when it defeated South Alabama.
UTA will wrap up the series on Sunday with a 1 p.m. rubber match.
UTA will host a clubhouse dedication prior to its Friday night matchup with Troy.