The pope said that without proof, claims against Bishop Juan Barros were slanderous.
The pontiff was singled out by vandals who firebombed churches in the capital Santiago.
Pope Francis spoke out about a number of Trump's foreign policy decisions.
Speaking at an evening vespers service in St. Peter's Basilica, the Pope said humanity had "wasted and wounded" the past year "in many ways with works of death, with lies and injustices."
The pontiff blew out one birthday candle from a 13-foot-long pizza on Sunday morning.
"There is an urgent need for news communicated with serenity, precision, and completeness."
The pontiff and the president do not see eye to eye on a number of issues.
The luxury car will be auctioned to help Iraqi Christians devastated by jihadi group.
Workers at St. Peter's will no longer enjoy papal pulls of tobacco from next year.
"The priest says 'lift up your hearts.' He does not say, 'lift up your cell phones to take pictures.'"
The pontiff has praised the power of technology to unite people in the past.
Pope Francis condemned the death penalty but could face an uphill battle in the GOP-controlled U.S. government where 72 percent of Republicans support the death penalty.
A letter accusing Pope Francis of supporting heretical stances is the sixth initiative aimed at clarifying his positions on family and marriage, but he has remained silent.
The plaintiff claimed he was raped by a Christian Brother, who had previously abused children in other schools but was recommended for a teaching job by the archdiocese.
Bannon has slammed U.S. bishops for defending undocumented immigration, claiming the Catholic Chruch "needs illegal aliens to fill the churches."
As a former club bouncer and chemical engineer, the pope's past is a frequent source of surprises.