The masterpiece of society is the family: the man and the woman who love each other," the pope said.
Bishop Robert Finn of the Catholic diocese of Kansas City-St. Joseph tendered his resignation last week.
Pope calls the massacre of up to 1.5 million Armenians 100 years ago "the first genocide of the 20th century," prompting Turkey to accuse him of inciting hatred.
"I hope the international community does not look on, mute and inert, at such an unacceptable crime," Francis said.
A Vatican official's message came a day after Islamic militants attacked a university in Kenya.
Pope speaks of those killed for their faith, a reference to the victims of the Islamic State terrorist group.
The pope told a Mexican journalist he expects his papacy to be "four or five years," leaving open the possibility he may retire rather than serve until his death.
This is Francis’s first visit to the United States since he was elected head of the Roman Catholic church in 2013.
The pope took an unexpected detour to spend time with homeless, poor and mentally ill children.
Expect offense if you mock something sacred, the pope said.
"All of us are called (by God) to be free," he said.
“Truly there are so many tears this Christmas,” Pope Francis said in his annual address.
The pope’s Hail Mary in Havana may be only the start of the Vatican’s new, more audacious plans.
The Pope listed 15 “diseases” afflicting the highest-ranking members of the Catholic church.
Meetings in Canada and at the Vatican facilitated talks which led to a thaw in U.S.-Cuba relations, according to multiple reports.
Fighting hunger and poverty, he said, were key to stopping terrorist violence in Iraq and Syria
Francis described the continent as a "grandmother, no longer fertile and vibrant" that risked "slowly losing its own soul"
American bishops vote in Baltimore this week on who will represent them at next year’s synod in Rome. Their choices will speak volumes.
God is not a "magician" with a "magic wand," says Pope Francis. "No duh," say Roman Catholics the world over.
The pope called on a gathering of grassroots movements to "keep up the fight" for workers' rights, but distanced himself from left-wing ideology, saying he simply followed the gospel
Two hundred years after the Society of Jesus was restored to the Catholic church, one of its own sits in power
Security has reportedly been stepped up in Rome after Italian newspapers reported that Pope Francis had become a target for ISIS