Michele Kelemen

The United Nations is calling for a demilitarized zone around a nuclear power plant in southern Ukraine.

New developments emerged this week in negotiations between the U.S. and Iran over reviving the nuclear weapons agreement abandoned by the Trump administration.

Nuclear facilities, like the one Russia controls in Ukraine, should be off limits to warring parties. Russia's seizure of the nuclear plant sets a dangerous precedent.

There has been very little diplomacy during the course of the war in Ukraine. Russia and Ukraine are seeking battlefield advantage before negotiating.

Feeling vindicated by recent evidence of an Iranian plot to kill former U.S. national security adviser John Bolton, opponents to reviving the nuclear deal with Iran are pressing their case.

A recent United Nations report accuses Rwanda of supporting rebels in the Democratic Republic of Congo. United States Secretary of State Blinken is visiting both countries to try to cool tensions.

Secretary of State Antony Blinken says African states shouldn't have to pick a side in great power rivalries, though the U.S. is competing with Russia and China for influence.

Secretary of State Antony Blinken delivers a major speech on U.S. policy in Africa, following his visit to Cambodia, and a trip by House Speaker Nancy Pelosi to Taiwan that drew China's ire.

U.S. Secretary of State Antony Blinken is in Cambodia for a regional meeting of foreign ministers amid the fallout from U.S. House Speaker Nancy Pelosi's visit to Taiwan.

The United Nations kicked off a conference on the status of a 50-year treaty on nuclear nonproliferation — as crises fester in the Middle East, the Korean peninsula and Ukraine.

Secretary of State Blinken says he plans to speak with his Russian counterpart soon. A top priority is the release of Americans held by Russia: Brittney Griner and Paul Whelan.

Secretary of State Antony Blinken is leading the U.S. delegation at the G-20 ministerial meeting. It could be the scene of some awkward diplomatic encounters involving Russia's war in Ukraine.

The Department of Justice is more actively investigating foreign lobbying in Washington and Congress is considering an update to a key law regulating that. Transparency advocates say it is about time.

Around the world, landmines kill and injure thousands of people a year, most of them civilians. The Biden administration is restricting their use and continuing to help countries clear minefields.

Linda Thomas-Greenfield, U.S. Ambassador to the U.N., traveled to the southern border of Turkey to observe the flow of humanitarian aid to victims of the civil war in neighboring Syria.

U.S. Ambassador Linda Thomas Greenfield travels to the Turkey-Syria border to remind the world of the need for continued aid for Syrians who are fleeing or in opposition-held parts of the country.

In a long awaited speech, Secretary of State Antony Blinken called China the most serious long term challenge to the international order and a test for U.S. diplomacy.

The Biden administration came to office promising to revive a nuclear deal with Iran, but for months officials have said time is running out. The top negotiator is briefing Congress on the stalemate.

The U.S. wants to weaken Russia and help Ukraine win, while some in Europe are looking for a diplomatic solution.

The U.S. is using its presidency of the UN Security Council to focus on food security, as much of the world worries about the ripple effects from the war in Ukraine.