Defense Secretary James Mattis resigned Thursday on the heels of President Donald Trump’s plans to withdraw troops from Syria. He cited irreconcilable policy differences in a move that took ...

Retired Marine Gen. James N. Mattis was confirmed and sworn in as President Trump’s defense secretary Friday, breaking with decades of precedent as a recently retired general became the Pentagon ...

Defense Secretary Jim Mattis announced his resignation Thursday afternoon, sending President Donald Trump a letter that implicitly criticized the president's military judgment. In the letter ...

President Donald Trump announced that Defense Secretary James Mattis was retiring, one day after the commander in chief suddenly declared the withdrawal of U.S. troops from Syria. As he does with ...

A late night phone call on Dec. 31 will transition Mattis out of office. In a farewell message on Monday, outgoing Defense Secretary James Mattis told Defense Department employees to "keep the ...

On his final day, Defense Secretary Jim Mattis sent a farewell letter to the Defense Department's troops and civilians. He expressed confidence the department's workforce will remain "undistracted.

The former secretary of defense spoke in New York City on Thursday. Former Defense Secretary James Mattis roasted his former boss at the Alfred E. Smith dinner in New York City on Thursday night.

Defense Secretary James Mattis arrived in Iraq Monday on an unannounced visit that seemed aimed to reassure Iraqi allies. He told reporters that, despite President Trump's earlier statements to ...

In a special Memorial Day broadcast, "Face the Nation" sat down with Secretary of Defense James Mattis. In his first television interview since he assumed his Cabinet position, Mattis discussed ...

In accepting the first Thomas S. Foley Award for Distinguished Public Service, former Secretary of Defense and retired Gen. James Mattis on Tuesday called on those in the audience to reject ...

Defense Secretary James Mattis will resign at the end of February, he informed President Trump in a letter Thursday. The defense secretary said he is stepping down because of the differences in ...