The Pentagon has initiated an investigation incorporating polygraph tests to hunt down leakers after Elon Musk called for the ...

U.S. officials have not determined who was behind an apparent cyberattack on the social media site X that limited access to ...

Planning for a war with China has dominated Pentagon thinking for decades, well before a possible confrontation with Beijing ...

By Jack Ewing The federal agency responsible for traffic safety, which has been investigating whether self ... whose chief executive, Elon Musk, is leading a team at the so-called Department ...