Tiny pieces of plastic waste, already found at the top of Mount Everest and the bottom of the ocean, may now have a toehold in the human womb, writes Kathleen Bonnette.

The predominant global economic system is "unsustainable," particularly in its impact on the environment, Pope Francis said.

A highly politicized issue that is central to the teaching of Pope Francis. The science and the moral framework are clear. Will American Catholics respond at the voting booth?

With the much-anticipated release of Pope Francis’s new encyclical “Fratelli Tutti” on Oct. 4, Catholic Christians would do well to revisit his critique of false realism and false nostalgia, and his call for the church to foster a political attitude of faithful and daring dreaming.

Domenico Sorrentino speaks to America about Pope Francis' deep devotion to St. Francis of Assisi. The pope will sign his new encyclical, "Fratelli Tutti," in Assisi on Saturday, Oct. 3.

Over the past two years, 31 people from the municipality of Tocoa, on the lush north shore of Honduras, have faced criminal prosecution as a result of their opposition to an iron ore mining project in the Botaderos Mount “Carlos Escaleras” National Park.