Greg Myre

Dozens of U.S. diplomats in Cuba and China have complained of chronic, unexplained ailments. Now an ex-CIA official says he had to retire after a trip to Russia led to debilitating migraines.

National security leaders are playing a far more prominent role than in previous elections. Current officials are trying to reassure voters. Many former leaders are criticizing the president.

Almost all members of the Pentagon's Joint Chiefs of Staff, the nation's top military officials, are quarantining at home after a senior Coast Guard officer tested positive for the coronavirus.

Adm. Charles Ray, the vice commandant of the U.S. Coast Guard, has tested positive for COVID-19. He was at Pentagon meetings last week with members of the Joint Chiefs of Staff.

There's a long history of military doctors treating U.S. presidents. This does create the unusual situation where the president, as commander-in-chief, is the doctor's ultimate boss.

The former spy chief has dealt with almost all of the country's major security challenges over the past two decades. In his memoir, Undaunted, he directs his ire at President Trump.

The U.S. command and control structure remains unaffected by the news that President Trump has tested positive for the coronavirus. But it underscores America's troubled response to the pandemic.

National security officials say Russia is again trying to disrupt the election. But this time, it doesn't have to work so hard because Americans are spreading mistruths and doubts about the election.

President Trump reportedly is facing huge debts. Democrats want to know who his lenders are, and his national security decisions are facing renewed scrutiny. Trump claims the reports are false.

The nation's top intelligence official caused a stir last month when he canceled face-to-face updates for Congress. The Senate and House intelligence committees say he's agreed to resume them.

Soufan has just released the uncensored version of his book on interrogating al-Qaida suspects. And U.S. officials recently told Soufan that the terrorist group was plotting an attack against him.

The Department of Homeland Security official says in his complaint that he was ordered to halt reports that made the president "look bad." DHS and the White House deny the allegation.

The Pentagon said the paper would shut down by Sept. 30. Shortly afterward President Trump tweeted that it won't happen "under my watch."

Director of National Intelligence John Ratcliffe announced House and Senate intelligence panels will no longer receive in-person briefings on foreign interference in the 2020 election.

Former NSA chief Mike Rogers says the intelligence community knew Russia was taking unprecedented steps during the 2016 election, but only later did it fully grasp the extent of that effort.

Satellite images were once restricted to governments. Now anyone can get them, creating a new world of possibilities for environmentalists, human rights groups and those monitoring nuclear weapons.

The Department of Homeland Security was created to guard against terrorism in the wake of the 9/11 attacks. But now some government agents are confronting protesters in U.S. cities.

Russ Travers was ousted from the National Counterterrorism Center in March. In his first broadcast interview since then, he warns that the U.S. risks becoming less prepared for a terror attack.

As several new COVID-19 vaccines enter human trials, multiple intelligence agencies say Russian hackers are targeting organizations developing the vaccines.

U.S., British and Canadian intelligence agencies are reporting that Russian hackers are trying to steal information from health care organizations working on a potential coronavirus vaccine.