U.S. Secretary of State Mike Pompeo on Saturday defended the Trump administration's approach to Ukraine, which is driving an impeachment inquiry in Congress, and called it typical of the transactional way countries deal with one another.

Mexican and U.S. officials met late into the day Tuesday at the White House trying to stave off President Donald Trump's threatened tariffs on all Mexican goods flowing into the United States.

A White House decision to dispatch an aircraft carrier and other military resources to send a message to Iran followed “clear indications” that Iranian and Iranian proxy forces were preparing to possibly attack U.S. forces in the region.

Melania Trump on Thursday honored women from 10 countries for their courage, saying the trait "is one of the qualities we need most in society."

Talks between President Donald Trump and North Korea's Kim Jong Un collapsed Thursday after the two sides failed to bridge a standoff over U.S. sanctions on the reclusive nation, a dispiriting end to high-stakes meetings meant to disarm a global threat.

An Alabama woman who joined the Islamic State group in Syria won't be allowed to return to the United States with her toddler son because she is not an American citizen, the U.S. said on Wednesday. Her lawyer is challenging that claim.

Secretary of State Mike Pompeo has announced that the U.S. is pulling out of a treaty with Russia that's been a centerpiece of arms control since the Cold War.

Secretary of State Mike Pompeo says American diplomats' morale remains "good" despite the government shutdown that's left many of them working without pay.

Brett McGurk, the U.S. envoy to the global coalition fighting the Islamic State group, has resigned in protest over President Donald Trump's abrupt decision to withdraw U.S. troops from Syria, a U.S. official said, joining Defense Secretary Jim Mattis in an administration exodus of experienced national security figures.