Actions that build peace set it back, while wars and other destructive actions advance it. The clock’s hands now stand at 89 seconds to midnight, compared with 12 minutes to midnight in 1963.

Ukraine and Russia need to deliver “concrete ideas” imminently on how to end Europe’s bloodiest conflict since World War II — or the US will pull out of its involvement in the peace talks ...

The Menominee Nation planted eastern white pine trees in Milwaukee as a symbol of peace and unity. The trees were planted as part of a week of events for Earth Week and Arbor Day.

Yet its effects are already doing damage to the interests of peace around the world. Opinion: I witnessed how the US Institute of Peace serves America. Gutting it won't.

Now is the time to give peace a fighting chance, and support U.N. peacekeepers as they answer the vital call to peace around the world. António Guterres has been secretary-general of the United ...