The creation of the tribunal is the biggest step the Vatican ever has taken to hold bishops accountable.
A study into the Twitter habits of world leaders also found that Obama has the biggest following.
"We will not allow historical incidents to be taken out of their genuine context," Erdogen said.
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.
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.
"We are ready to bear witness to whom we are and what we do according to the words of Christ."
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.
The Ukrainian woman was arrested on Friday and has been questioned by a judge
"Truly there are so many tears this Christmas," Pope Francis said in his annual address.
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.
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
A new report released by the Vatican Monday suggests a softening in tone—if not in policy—toward gays and gay marriage.
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