The Owls (8-3, 6-1) have won four straight games and sit alone atop the Conference USA East Division standings. UTSA (4-7, 3-4) has lost three of its last four.
FAU built a 17-3 halftime lead and stretched it to 33-11 heading into the fourth quarter.
Emmons scored on 32- and 5-yard runs, and James Charles and Malcolm Davidson each had touchdown runs. The trio combined for 169 yards rushing on 26 carries. Harrison Bryant had 10 receptions for 182 yards that included a 2-yard TD toss from Robison.
It was the 100th win overall for FAU, which began the program in 2001.
Outfielder and ESPN Junior 300 QB Kaden Martin commits to play baseball at Miami
Kaden Martin, the son of former Tennessee quarterback and coach Tee Martin, is committed to the Hurricanes as primarily a baseball recruit, although he wants to try to play football too.
Despite no combine, NFL releases complete list of 323 prospects who merited invites
With the 2021 NFL combine canceled due to the COVID-19 pandemic, the league has released a list of players who would have merited invitations. Ohio State's 14 invites were the most for any school, followed by Georgia with 12.
Overlooked college football recruits who blossomed into stars
Breece Hall and Desmond Ridder weren't the only top college football players last season to outplay early expectations.
Texas president Jay Hartzell addresses song controversy, says those targeting players 'do not represent the values of the Longhorn community'
While a committee finalizes a report on the future of Texas' position on its much-debated school song, university president Jay Hartzell responded on Tuesday to critics "who target our students with hateful views."
Ex-Auburn DE Big Kat Bryant transferring to UCF, reuniting with Gus Malzahn
Former Auburn defensive end Big Kat Bryant is transferring to UCF and reuniting with coach Gus Malzahn.
UCLA to kick off 'more normal' Pac-12 football schedule
UCLA will be the first Pac-12 team in action next fall in what the conference hopes is a more normal slate of games.