The legendary Marine general offers advice — along with a critique of some of Obama's moves — for what the US should do next against ISIS.

The Marine Corps celebrates its 250th birthday across the globe. This article highlights four prominent guest speakers at ...

U.S. Secretary of Defense James N. Mattis speaks during the National POW/MIA Recognition Day Ceremony at the Pentagon in Washington, D.C., Sept. 21, 2018. The day is observed every year on the third ...

President-elect Donald Trump said Thursday he will nominate retired Gen. James Mattis to be his defense secretary, making the announcement at a post-election victory rally in Cincinnati. Mattis, 66, ...

A good leader does a calculation with every decision. They take the “science” of available information and combine it with the “art” of instinct. Many famous leaders have spoken of the value of ‘ ...

President-elect Donald Trump will nominate retired Marine Gen. James Mattis, who led operations across the Middle East, to be secretary of defense. Mattis, 66, served in the U.S. Marine Corps for more ...

The Senate Armed Services Committee has overwhelmingly approved President-elect Donald Trump's pick for defense secretary. The Republican-led panel voted 26-1 Wednesday to recommend that the full ...

Mattis' departure EDITOR: The last adult in the room has just left the White House, and he slammed the door on his way out (“Mattis out in clash over troops,” Friday). Was it loud enough to shake ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American James N. Mattis is the four-star Marine ...