In a continuation of Signalgate, Hegsgeth came under scrutiny again last month, when the Washington Post reported that he not ...

US President Donald Trump has replaced Mike Waltz as national security adviser and said that he is nominating him to be the ...

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

President Donald Trump was asked on NBC News’ Meet the Press on Sunday if he would use military force to acquire Greenland.

A hacker managed to breach TeleMessage, a company that sells a modified version of Signal to the US government. Mike Waltz ...

Marco Rubio is juggling his roles as both Secretary of State and National Security Adviser. President Trump suggested Stephen Miller could be up for the role of NSA. NBC News' Courtney Kube joins ...

Fox News Digital took a look at whom President Donald Trump could select to replace former national security advisor Mike ...

Donald Trump has tapped secretary of state Marco Rubio to be interim national security adviser after firing Mike Waltz and ...

A planned examination of Ireland’s national security structures is to be a purely “internal review” with no external experts ...

U.S. President Donald Trump ousted his national security adviser Mike Waltz on Thursday and named Secretary of State Marco ...

The Government has been accused of watering down the remit of the new Oireachtas Committee on Defence and National Security ...

National security advisor to the Pakistani prime minister and Director General of Inter-Service Intelligence spoke after India’s May 7 raid ...