Secretary Rubio’s new role as national security adviser may be unsustainable, according to foreign policy experts.

By Erin Banco, Phil Stewart, Gram Slattery and Mike Stone NEW YORK/WASHINGTON (Reuters) -Roughly a week after Donald Trump ...

Hegseth ordered the abrupt cancellation of weapons flights to Ukraine in February without Trump’s knowledge and blindsiding top national security officials.

The suspension reportedly affected 11 shipments of artillery shells and weapons from Dover Air Force Base and a U.S. base in ...

President Donald Trump has ousted National Security Adviser Mike Waltz and announced that he will nominate him as the next ...

Marco Rubio serving as both Secretary of State and national security adviser could be "ultimately disadvantageous" to ...

The Washington Post reported that Donald Trump soured on Waltz over Waltz's support for an Israeli attack on Iran.

A clone of the messaging app Signal, which was used by since-ousted national security advisor Mike Waltz, has been hacked.

The Washington Post reported that Donald Trump soured on Waltz over Waltz’s support for an Israeli attack on Iran.

President Donald Trump said Sunday that he plans to appoint a new national security advisor in about six months, telling ...

Mike Waltz was removed as national security advisor, followed by the president nominating him for another position.

"I think it will be a brutal confirmation hearing," Sen. Mark Warner said of Mike Waltz. "I think he's going to have tough ...