Republican Sen. Jim Inhofe rebuked the Trump administration for pushing out Lisa Gordon-Hagerty, one of three sudden departures of agency leaders in the past 48 hours.

Lisa Gordon-Hagerty, who headed the National Nuclear Security Administration that oversees national security sites in Nevada and New Mexico, has resigned.

Bonnie Glick, the second highest-ranking official at the US Agency for International Development, was ousted Friday, two sources familiar with the situation told CNN.

In the aftermath of the election, President Donald Trump quietly demoted the nation's top federal energy regulator — a move that the regulator says may be retribution for his support of clean energy.

Defence secretary resisted deployment of active-duty troops but was criticised for joining Trump at controversial photo op

Fired Defense Secretary Mark Esper has clashed with the president over a variety of topics since the summer.

Esper’s exit plunges the Pentagon into another period of uncertainty as military leaders grapple with the impact of the covid-19 crisis and nationwide unrest.

President Donald Trump announced on Twitter Monday that he has fired Secretary of Defense Mark Esper, and that Christopher Miller, who serves as director of the National Counterterrorism Center, will...

Congressional Republicans have stayed noticeably neutral about Mark Esper’s ouster as defense secretary, despite privately harboring big concerns about the danger it creates.

President Trump’s new acting secretary of defense began a since-aborted diplomatic gambit last month to negotiate with a Somali terrorist group — drawing the ire of the secretary of state.

Miller takes over on an acting basis after the president fired Mark Esper.

Conspiracy theorists are in a position to root out and deliver the top-secret documents that prove the president’s version of the ‘Russia hoax.’

An ardent opponent of the US military's presence in Afghanistan who once called for the use of lethal force against illegal immigrants and has made a litany of racist comments has been made a senior...

President Trump’s deeply controversial nominee was rejected by the Senate over the summer.

The White House's nominee for a top Pentagon post repeatedly spread conspiracy theories that a former CIA director tried to overthrow President Donald Trump and even have him assassinated in newly...

He made headlines in 2017 for leaking intelligence that bolstered President Trump's claims that Obama had him wiretapped.

President Trump has installed a National Security Council official and former congressional aide as chief of staff to new acting Defense Secretary Christopher Miller as he continues to shake up the...

Can one believe something into existence?

Barr on Monday issued a memo authorizing prosecutors "to pursue substantial allegations of voting and vote tabulation irregularities prior to the certification of elections."

A senior U.S. cybersecurity official is leaving government after being asked to resign, an official familiar with the matter said Thursday, part of a wider thinning of President Donald Trump's...

Two senior Department of Homeland Security officials have been forced to resign by the White House, according to sources familiar with the resignations.

The Trump administration is advancing plans to auction drilling rights in the U.S. Arctic National Wildlife Refuge before the inauguration of President-elect Joe Biden, who has vowed to block oil...

There's a renewed push to get Chad Wolf confirmed as Homeland Security secretary -- a position in which he's been serving in an acting capacity for a year -- before Inauguration Day, according to two...