Pope Leo XIV, the first American pontiff for the Roman Catholic Church, will celebrate his inaugural mass on Sunday, ...

Leo’s commitments present a challenge to the nationalism and isolationism currently promoted by the White House.

Pope Leo XIV is expected to live in the Vatican's Apostolic Palace, unlike the late Pope Francis who shunned the palace in ...

Vice President JD Vance and Secretary of State Marco Rubio will attend the inaugural mass of Pope Leo XIV this Sunday, May 18 ...

Vatican Secretary of State Cardinal Pietro Parolin made the remarks as Russia and Ukraine met for talks in Istanbul.

Vice President JD Vance is headed back to Vatican City for Pope Leo XIV's inaugural mass, a week after the first American ...

The new pope will preside over an inauguration Mass on Sunday in St. Peter’s Square, according to the Vatican.

The pop star was photographed on May 8 in attendance at the conclave election of Pope Leo XIV at the Vatican, which is a ...

Chicago Tribune photographer Brian Cassella captures the scene ahead of Pope Leo XIV’s installation in Vatican City.

Sunday's mass will mark the official start of Pope Leo's papacy. He is expected to ride through the square in the popemobile for the first time.

Pope Leo's inauguration ceremony will offer yet another opportunity for U.S. and Ukrainian leaders to negotiate peace.