CNBC's Megan Cassella reports on the latest developments in the Israel-Iran conflict.

U.S. Secretary of State Marco Rubio is pushing to investigate whether Harvard University violated federal sanctions, The New ...

U.S. Secretary of State Marco Rubio is pushing to investigate whether Harvard University violated federal sanctions, The New ...

The Boeing 787 Dreamliner came down shortly after take off on Thursday afternoon local time, bound for London Gatwick. There ...

"This vindicates what Mahmoud has maintained since day one — that the government cannot detain or deport him based on Rubio’s ...

Syrian national Mahmoud Khalil can't be detained and deported due to foreign policy concerns by Secretary of State Marco ...

Experts and former officials said it was unusual for a cabinet secretary to try to influence the Treasury Department’s ...

Rubio told embassies to stick to the department's plan “to abolish all USAID overseas positions” by September 30.

President Trump and the Administration have taken all necessary steps to protect our forces," Secretary of State Rubio said.

Secretary of State Marco Rubio has ordered U.S. embassies around the world to move ahead with a directive to fire all ...

Secretary of State Marco Rubio made a statement Thursday following Israel’s “preemptive” strikes against Iran.

The Trump administration's reaction to Israel's attack on Iran seems inconsistent, as President Trump and Secretary of State ...