The State Department could begin laying off hundreds of Washington, D.C.-based staff, according to internal correspondence.

Secretary of State Marco Rubio said U.S. strikes had destroyed a facility that is key to turning highly enriched nuclear fuel ...

Secretary of State Marco Rubio made the case on Wednesday that the Trump administration’s strikes against Iran were a clear success in part because they “wiped out” a nuclear conversion facility ...

Sen. Marco Rubio, R-Fla., nominee for secretary of state, attends the 60th presidential inauguration in the Rotunda of the U.S. Capitol in Washington, Monday, Jan. 20 ...

The director of the CIA, John Ratcliffe, says his agency has "credible intelligence" that indicates Iran's nuclear programme ...