Secretary of State Marco Rubio said on Friday after his first meeting with Chinese Foreign Minister Wang Yi that their talks were "positive and constructive."

U.S. Secretary of State Marco Rubio is wrapping his up his second and final day at a Southeast Asian security conference with a high-stakes meeting with his Chinese counterpart as tensions grow over issues from trade to security and China’s support for...

Secretary of State Marco Rubio emerged from a meeting with Russian Foreign Minister Sergei Lavrov on Thursday with an acknowledgment that peace talks between Moscow and Kyiv have not progressed much.

U.S. Secretary of State Marco Rubio will meet his Russian counterpart in Malaysia for what could be a testy conversation as tensions between the countries rise over Moscow's increasing attacks on Ukraine

The move, announced by Secretary of State Marco Rubio, is in step with the Trump administration's ongoing crackdown on student visas. ABC News’ Britt Clennett reports.

Marco Rubio is visiting NATO's headquarters for a meeting of foreign ministers, putting him on the front lines of the Trump administration's push against U.S. allies.

During a charged Cabinet meeting Thursday at the White House, Elon Musk clashed with top Cabinet officials, sources told ABC News

During a Thursday Cabinet meeting, Elon Musk clashed with Secretary of State Marco Rubio over the way Rubio has approached his management of the department he oversees, multiple sources told ABC News.

George Stephanopoulos interviews Secretary of State Marco Rubio on “This Week.”

The plane turned around returned to Joint Base Andrews before Rubio continued his travel to Germany and the Middle East on a separate aircraft, according to a State Department spokesperson.

Secretary of State Marco Rubio's plane experienced a mechanical issue while en route to Munich, Germany, on Thursday.

Secretary of State Marco Rubio told embassy officials that it was "not our intention" to uproot USAID staffers working abroad, despite the agency mandating their return.

Marco Rubio met with El Salvador’s president and said they've agreed to not only take in deported foreign nationals who committed crimes, but also jailed U.S. citizens.

Secretary of State Marco Rubio confirmed he's the acting administrator at USAID and expressed his concerns with the agency on Monday.

Rubio will depart on his first foreign trip to visit countries in Central America that may be vital for carrying out the Trump administration's mass deportation plans.

After taking the oath of office, Marco Rubio promised that every action taken by the State Department will be determined by the answers to three questions.

After taking the oath of office, Marco Rubio promised that every action taken by the State Department will be determined by the answers to three questions.

The Senate voted unanimously to confirm Sen. Marco Rubio's as secretary of state on Monday, making him the first member of President Donald Trump's second Cabinet.

The newly-confirmed Secretary of State talks about becoming the first Latino to occupy the job, plans for the TikTok ban and President Donald Trump’s pardon of Jan. 6 defendants.

Rubio becomes the first member of Trump’s cabinet to be confirmed by the Senate.

Sen. Marco Rubio delivers his opening remarks before the Senate Foreign Relations Committee amid protests at his confirmation hearing for secretary of state.

President-elect Trump plans to nominate GOP Sen. Marco Rubio of Florida for secretary of state, according to sources.

Rubio, 53, has served in the Senate since 2011. He is currently the vice-chair of the Senate Select Committee on Foreign Intelligence and also sits on the chamber's Committee on Foreign Relations.

ABC News’ Linsey Davis speaks with Sen. Marco Rubio (R-FL) about Trump’s immigration policies, J.D. Vance and the speculation surrounding President Joe Biden.

When Florida Sen. Marco Rubio was first elected to Congress, he was seen as a rising star in the GOP. Now, he’s being looked at as a possible VP Pick for Donald Trump.

The 12th Amendment states that presidential and vice presidential candidates running on the same ticket cannot reside in the same state.

ABC News’ Jonathan Karl interviews Sen. Marco Rubio, R-Fla., on “This Week.”

Marco Rubio said Monday that one of his campaign canvassers "was brutally attacked" in Hialeah, Florida, in what he described as a politically motivated assault

Sen. Rubio terminated Clint Reed "effective immediately" after he learned of "allegations of improper conduct."

The Republican senator visited the track on Tuesday.

The Republican senator asked Trump's pick for secretary of state a series of tough questions on his relationship with Russia.

Tillerson's nomination to be Secretary of State may face it's first roadblock.

Marco Rubio, a Republican, grilled Rex Tillerson about human rights during the confirmation hearing.

Surrounded by his family, the Floridian thanked supporters and said "We will turn this country around."

Rubio keeps his seat in the U.S. Senate, defeating Rep. Patrick Murphy.

But the Florida senator did not rule out another presidential bid.

A report claims a Trump-owned company violated the U.S. trade embargo with Cuba.

Sen. Marco Rubio accused the TSA of lying about air marshals on Cuba flights.

Here's everything you need to know (and probably didn't know) about the prospective 2016 presidential candidate.