The threat of U.S. withdrawal has prompted countries around the world — from Germany to South Korea — to talk about building their own nuclear arsenals.

Top Ukrainian officials flew on Thursday for a previously unannounced visit to Paris, where Europeans were assembling to ...

A career diplomat has become the unexpected face of President Donald Trump's “America First” agenda at the United Nations.

Mexican President Claudia Sheinbaum said on Wednesday that she had sent a diplomatic memo to the United States about security ...

Many of us felt as if we were losing a longtime friend — almost as if a brother were abandoning us: The United States has ...

Republican and Democratic lawmakers are making their first trip to Taiwan under the new Trump administration a bipartisan one ...

US Secretary of State Marco Rubio and Steve Witkoff, President Donald Trump’s international envoy, held high level talks with ...

The filing by the U.S. State Department, however, did not address the judge's demands that the administration detail what steps it was taking to return Kilmar Abrego Garcia to the United States.

Iran is seeking a "real and fair" agreement with the United States on its nuclear program, a senior aide to supreme leader Ayatollah Ali Khamenei said Friday, ahead of talks over the weekend.

European Union officials visiting the US are coming with burner phones and being cautioned about security as tensions between uneasy allies escalate.