Thomas Aquinas's 'Summa Theologiae' is perhaps the most important philosophical/theological work in Christian history. Why didn't the Angelic Doctor finish it?

African theologians have emerged over the last few decades as leading voices in ethics, liberation theology, ecological theology, ecclesiology and more—and their contributions are changing the worldwide church.

Friends and colleagues remembered Richard Gaillardetz, who died on Tuesday, as a perceptive theologian, mining in his talks, articles and books the ecclesiology of Vatican II and Pope Francis’ vision for the church. They also noted the powerful witness of his reflections on his final months of life.

The British Jesuit Philip Endean showed how Karl Rahner’s theology had deep roots in his experience of the Spiritual Exercises.

Pope Francis updated the statutes for the Pontifical Academy of Theology, which hadn't been revised in nearly 25 years, urging theologians to consider the challenges of ordinary people.

Many Catholics today fail to appreciate the meaning and moral value of remembrance on All Souls’ Day—though praying for the dead was central to early Christian practice.