ANKARA, Turkey — Seeking to unify a recently decriminalized faith, Roman emperor Constantine the Great called a summit of early Christians in the ancient Anatolian city of Nicaea. The then-nascent ...

Pope Leo XIV called on the world's religious communities to break down "the walls of prejudice and mistrust" that divide them at his first Mass abroad, rounding out a day of interreligious outreach ...

IZNIK, Turkey —On the second day of his inaugural foreign trip, Pope Leo XIV visited the site where early Christian leaders met 1,700 years ago for the First Council of Nicaea — the gathering that ...

Pope Leo XIV joined Eastern and Western patriarchs and priests Friday in commemorating an important anniversary in Christian history, gathering at the site in Turkey of an unprecedented A.D. 325 ...