Oracle, OpenAI, and investors in Japan and the UAE have launched a $100 billion effort to build data centers to run AI ...

The Department of Homeland Security advisory committee was investigating a Chinese hack into U.S. telecommunications.

Homeland Security officials with the new Trump administration have fired Coast Guard Commandant Adm. Linda Fagan, who in 2022 ...

The pardons “flew in the face of admonitions from Republican allies who’d voiced opposition to the notion of pardoning Jan. 6 ...

But can he avoid politicizing it? On Day One, he stripped clearances from people he doesn't like and created a temporary ...

On Monday, President Donald Trump rescinded an executive order put in place during the early days of the Biden administration that broadened protections for trans people’s right to serve in the U.S.

Inaugural-day executive order instructs NORTHCOM to “repel forms of invasion”—a legal formulation that might not stick.

Donald Trump has named the acting heads of national-security agencies—all career federal executives—to serve until ...

From reclaiming the Panama Canal to border security, President Donald Trump’s inauguration speech touched on a variety of ...

Trump and Musk, tapped to run a new Department of Government Efficiency, have floated a variety of ideas to reform Pentagon ...

Kristi Noem wants to "refocus" the Cybersecurity and Infrastructure Security Agency on critical infrastructure.

After his swearing-in on Monday, the new president will declare a national emergency at the U.S.-Mexico border, a staffer ...