On Sunday, Ecumenical Patriarch Bartholomew I presided over a liturgy in Istanbul to mark the 1,700th anniversary of the ...

The cardinals would sit in a hall in a half circle with the dean of the college of cardinals, the Italian Giovanni Battista, ...

Pope Leo’s election also offers hope, because he reminds the world that religious conviction need not serve nationalist power ...

When they had entered the city, they went up to the upper room where they were staying; that is, Peter and John and … These ...

Archbishop Paul Richard Gallagher, Vatican secretary for relations with states, spoke Thursday at the Palacio de la ...

By Cindy Wooden, Catholic News Service The Council of Nicaea 1,700 years ago recognized that Christian unity had to be based ...

A petition launched by a Munich priest to Pope Leo XIV calling for the dismissal of Cologne, Germany, archbishop Cardinal ...

The Russian Orthodox Church has developed good relations with the Roman Catholic Church in recent years, including with the pontiffs who used to head the Catholic Church.

Pope Leo XIV had a phone call with Vladimir Putin, asking the president to open the gates of peace with a pastoral plea for ...

This year marks the 30th anniversary of Ut unum sint, Pope St John Paul II’s landmark encyclical on ecumenism, signed on May ...

In their first call, Pope Leo emphasized dialogue with Putin about the Ukraine war, while the Kremlin leader claimed Kyiv was ...

Many sacred beliefs of our Catholic faith can be traced to the 21 ecumenical councils held since the fourth century.