Michael Krepon's new book provides a key history of the times, events, organizations and people involved in the pursuit of a peaceful approach to national and global security.

Sometimes, standing in a spot and truly acknowledging pain may be the best thing we can do.

The world is at war, but we must think about the post-war world. We should not repeat old mistakes and underestimate the spiritual energy of the world’s religions.

“God is not afraid of our prayer of protest, no!” Pope Francis said in his Wednesday audience, during which he talked about lessons the faithful can take from the book of Job.

Shireen Abu Akleh—a Palestinian-American, a Catholic and a 25-year veteran of Al Jazeera’s satellite channel—was shot Wednesday while covering an Israeli military raid in the Jenin refugee camp.

Nick Ut, a retired Associated Press photographer, gave Pope Francis a copy of his Pulitzer Prize-winning photograph of a young Vietnamese girl running naked down the road after a napalm attack.