In 1984, President Ronald Reagan and Pope John Paul II established full diplomatic ties.

The first American canonized by the Roman Catholic Church — just like the first American chosen as pope — once walked among the people of Chicago.

As Pope Leo XIV arrives in Castel Gandolfo for his summer break, it is unlikely to be a real vacation for the new pontiff.

The U.S. embassy’s annual celebration, held June 30, commemorated the 41st anniversary of formal diplomatic relations between ...

"What we do know," said Brazilian-born theologian Leonardo Boff, "is that he's a North American with a Latin American soul." ...

The concept of human rights within Catholic teaching is not a recent addition but rather has roots extending back to the ...

On the whole, Catholics in 1925 had little problem with the teaching of evolution. Most likely due to the teaching of Pope ...

Pope Leo XIV’s Creole and African ancestry, traced to Louisiana and West Africa, is prompting celebration and curiosity among ...

Rerum Novarum also had a profound influence on the Catholic Church itself. The document inaugurated what’s now known as modern Catholic social teaching, an expansive intellectual tradition that ...

A local historian went to Rome for the first time during the conclave. But he wasn’t expecting ‘that’ kind of history.

COMMENTARY: Devotion to one’s country is not only in accord with human dignity but essential for pursuing the City of God in ...