In public, President Trump has defended his national security adviser. But behind the scenes, he has cast around for advice.

In a particularly rough week for the Trump administration, a number of the president's allies are calling for accountability ...

Donald Trump announces tariffs on foreign-made cars while teasing an April 2 “Liberation Day.” National security adviser ...

President Donald Trump expressed frustration with national security adviser Michael Waltz Thursday in his conversations with ...

The national security adviser, already embattled, is taking the brunt of the criticism. On Fox News, he said he took “full ...

Michael Waltz, the national security adviser under fire after The Atlantic reported that he included its editor on a Signal ...

In an era where digital security is paramount, recent revelations about Michael Waltz, the White House national security advisor, have raised eyebrows and prompted serious concerns. The mishap ...

Mr. Waltz has worked hard to burnish his credentials among the president’s supporters, in the process dismaying his former ...

Wired reported that the national security adviser's list of friends on Venmo was public until Wednesday afternoon.

In an unprecedented turn of events, the public Venmo account of National Security Adviser Michael Waltz has unveiled a tangled web of connections between U.S. government officials and members of the ...

Michael Waltz, a Florida Republican, inadvertently invited a journalist to join a private chat with top Trump administration officials on the encrypted messaging app Signal. The journalist, Jeffrey ...

Columbia University announced on Friday that interim president Dr. Katrina Armstrong has stepped down effective immediately.