Add Yahoo as a preferred source to see more of our stories on Google. Pete Hegseth had a "unique" system installed to access his personal cell phone from inside his secure office, an investigation ...

The Pentagon testing office said it won’t get enough data to evaluate the combat effectiveness of the US’s first hypersonic missile until early next year, another troubling sign as the US struggles to ...

The Pentagon's new Science, Technology, and Innovation Board—a merger of the decade-old Defense Innovation Board and the 70-year-old Defense Science Board—is meant to “streamline” the department's ...

It is unclear who will take over at the Pentagon and the military services when the top leaders all step down Monday as President-elect Donald Trump is sworn into office. As of Friday, officials said ...

President Donald Trump and members of his Cabinet have made a case for acquiring Greenland that’s so simple, even self-evident, it seems hard to refute: U.S. national-security interests in the Arctic ...

Even as department leaders work to fast-track new tech, the administration is slashing funding that supports and secures innovation. The Pentagon's new Science, Technology, and Innovation Board—a ...