Wales international Leigh Halfpenny featured in the Scarlets' 10-6 win over Munster, while Glasgow Warriors went top of Conference A.
Glasgow Warriors closed the gap on Munster at the top of Conference A, despite both recording wins in the latest round of Pro14 fixtures.
Centre Stuart McCloskey celebrated a century of matches for Ulster by dotting down for the only try against the Ospreys.
Southern Kings produced a stunning late fightback to claim only their second win of the season, halting Edinburgh's impressive run.
Joey Carbery, Rory Scannell, Keith Earls and Andrew Conway were among the tries as Munster overpowered Gloucester.
Munster moved top of Pro14's Conference A after capitalising on Glasgow Warriors' defeat to in-form Benetton Treviso.
Munster ended a four-game losing streak against Leinster with a 26-17 triumph on Saturday, while Edinburgh retained the 1872 Cup.
The Dragons looked set to earn a draw despite playing for almost 50 minutes with a man down, but Cardiff Blues denied them right...
Read more
Premiership leaders Saracens made it three wins from three in the European Champions Cup after victory over Cardiff Blues on Sunday.
Three tries in eight minutes from Keith Earls helped Munster to an easy win over Edinburgh, while Ospreys nilled Zebre.
Gethin Jenkins dragged a shot at goal wide after requiring assistance to keep the ball on the tee in a victorious final match.
Munster overturned a 14-point deficit to beat Glasgow Warriors thanks to Rory Scannell's monster penalty with the final play.
Ireland winger Keith Earls has admitted it is hard to imagine him playing anywhere else after extending his stay with Munster.
Gloucester could be set for a prolonged spell without Danny Cipriani, who was shown a red card for a high shot on Munster's Rory...
Read more
Freddie Burns apologised after costing Bath a Champions Cup win over Toulouse with a botched try five minutes from time.
Conor Murray had been linked with a switch to the Top 14, but the British and Irish Lions playmaker is going nowhere.