When the 2025 conclave began, no one expected an American pope. But by its end, Cardinal Robert Prevost had become Pope Leo. Here's a look behind the scenes.

Pope Leo XIV raised existential concerns about scientific progress, life and human rights during a speech on his first papal visit to France.

Plus, which beloved animal crossed the rainbow bridge, and what bit of papal paraphernalia did Chicago baseball fans get this week?

The Society of St. Pius X was excommunicated by Pope Leo for ordaining bishops without his permission. Its issues with the church run far deeper.

The Vatican responded Thursday to a traditionalist society that consecrated bishops without the pope's consent, declaring the Society of St. Pius X in schism and excommunicating its bishops and priests.

Leo's Iberia charter, due to take him back to Rome after a weeklong visit to Spain, was grounded by a technical problem Friday, prompting Spain's king to offer his private jet instead.

In the first papal address to the Spanish legislature, the American pope said a "moral renewal" was necessary in legislatures and public life to ensure respect for the inherent dignity of all people.

The crowd cheered and shouted "This is the youth of the pope!" as Pope Leo arrived for Mass at a central Madrid plaza. It's the first papal visit to Spain in 15 years.

Pope Leo's first encyclical voices his concerns about technology and AI. The pope cautions about the illusions AI bots can create, and how important actual human relationships are.

This week, the pope took aim at AI, a fancy carmaker dipped a toe in the EV market and a first lady made a surprising comment.

The bishop of the Diocese of Savannah described the newly elected pontiff as well-suited "for what we need at this particular time."

The conclave of Catholic cardinals have elected the new pope, Robert Prevost who has chose the name Pope Leo XIV. He becomes the first American pope.