Sources told NBC News Iran sent a communication to President Trump last week, threatening to activate sleeper-cell terror ...

The Department of Homeland Security's intelligence arm plans to cut nearly three-quarters of its full-time employees, shaving ...

A federal judge briefly halted the Trump administration on Friday from placing eight migrants on a plane destined for ...

The Department of Homeland Security issued a terrorism alert regarding the possibility of retaliation attacks by Iran after ...

DES MOINES, Iowa, July 3 (Reuters) - U.S. President Donald Trump said on Thursday he is willing to let migrant laborers stay ...

Eight men deported from the United States in May and held under guard for weeks at an American military base in the African ...

The United States is warning of a “heightened threat environment” after President Trump ordered strikes on three Iranian ...

Costs are mounting for the U.S. defense industry, critical infrastructure, and relations with partners and allies.

Secretary Kristi Noem and the Department of Homeland Security announced $94 million in federal grants to over 500 ...