The new secretary of state took center stage in a diplomatic rift with Colombia over deportation flights, adding teeth to Trump's threats of sanctions.

Secretary of State Marco Rubio began his tenure as the top U.S. diplomat on Tuesday by pledging to keep his department at the heart of U.S. foreign policymaking and execute what he said was President Donald Trump's aim of promoting peace through strength.

U.S. Secretary of State Marco Rubio will visit Panama and four other countries in Central America and the Caribbean starting late next week during his first overseas trip as Washington's top diplomat,

Secretary of State Marco Rubio threatened the heads of the Taliban with a “very big bounty” after hearing that more American hostages are being held by the group. “Just hearing the Taliban ...

DUBAI, United Arab Emirates (AP) — Saudi Arabia’s crown prince said Thursday the kingdom wants to invest $600 billion in the United States over the next four years, comments that came after President Donald Trump earlier put a price tag on returning to the kingdom as his first foreign trip.

Former U.S. senator from Florida Marco Rubio jumps into new role as secretary of state with flurry of phone calls, planned trip to Panama.

Secretary of State Marco Rubio ordered a pause Friday on "all new obligations of funding, pending a review, for (U.S.) foreign assistance programs funded by or through the Department and USAID."

All 99 senators voted in favor of Rubio, including Rubio himself. The Senate voted unanimously to confirm Sen. Marco Rubio as secretary of state on Monday, making him the first confirmed member of ...

On his first full day as secretary of state, Marco Rubio is meeting with his counterparts from a group of countries known as the Quad: the United States plus India, Japan and Australia, representing nearly 2 billion people and more than a third of global GDP.

Confirmations don’t come easier than this. The Senate approved the nomination of Sen. Marco Rubio (R-Fla.) to be secretary of state 99-0 Monday, hours after President Trump took the oath of ...

When Marco Rubio arrives in Latin America this weekend on his first foreign trip as Donald Trump's secretary of state, he'll find a region reeling from the new administration's shock-and-awe approach to diplomacy.

While Rubio’s anti-China rhetoric aligns with Washington’s broader geopolitical goals, the tools at his disposal are insufficient to match Beijing’s economic engagement.