Iran’s Supreme Leader rejected the prospect of talks with the U.S. on Thursday, upending a diplomatic visit by Japan's prime minister.

Thousands of protesters clogged Hong Kong on Wednesday, battling police in a desperate effort to block an extradition bill that hands broad new powers to China.

A new video game aims to avert nuclear war by making diplomatic simulations cheaper and easier to run.

Sudan's diverse and historic pro-democracy protest movement faces a new test after the departure of long-time President Omar al-Bashir: getting rid of military leaders.

The new members of the U.N. Security Council are likely to amplify geopolitical divisions already impeding agreement on the world's crises.

The U.S. is reportedly preparing a more than $2 billion arms sale to Taiwan in a move likely to provoke tensions with China amid an ongoing trade spat.

The world’s most neglected displacement crises are all in Central Africa, according to a new report issued by the Norwegian Refugee Council.

Did E.U. leaders commit 'crimes against humanity' by limiting search and rescue operations in the Mediterranean? A new claim before the ICC says yes.

The Balkan nation of North Macedonia took a step toward joining NATO on Monday. What would that mean for Europe, the U.S. and Russia?

While Mexico is responding cautiously to President Trump's latest tariff threat, that could change if the country's migration efforts remain unacknowledged.