Rep. Mike Turner, the former chairman of the House Intelligence Committee, said TikTok "remains a national security threat" ...

Sen. Lindsey Graham (R-S.C.) says the Senate needs to investigate President Trump’s decision to end his former national ...

President Donald Trump’s national security adviser has sidelined about 160 National Security Council staffers, telling them ...

House Homeland Security Committee Chairman Mark Green says the "national security blunders of the past four years" have ...

The National Security Council began a “full review” of aides as President Donald Trump clears its ranks to align the White ...

MSNBC’s Alex Witt spoke with Jeff Hauser, the executive director of the Revolving Door Project, on the dangers of ...

Rep. Mike Turner, R-Ohio, former chairman of the House Intelligence Committee, said on Sunday that TikTok remains a national ...

The former national security advisor has faced threats from Iran going back years, including an alleged assassination plot.

Trump tapped Waltz, a House lawmaker and former Green Beret, in the fall to serve as his national security adviser.

A major report from the House Homeland Security Committee warns that U.S. national security defenses are deteriorating while ...

White House national security adviser Mike Waltz has ordered a “full review” of personnel at the National Security Council ...

Rep. Mike Waltz (R., Fla.), whom President-elect Trump has picked to serve as his national security adviser, has resigned ...