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

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 ...

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

The immigrants from Cuba, Laos, Mexico, Myanmar, Vietnam and South Sudan arrived in South Sudan on Friday after a federal ...

PORTLAND, Oregon — Homeland Security officials have issued a national terrorism bulletin warning of a “heightened threat ...

WASHINGTON (TNND) — Homeland Security is warning about a rising threat: secret terror cells that are already inside America.

Mandonna “Donna” Kashanian lived in the United States for 47 years, married a U.S. citizen and raised their daughter. She was ...

Law enforcement agencies around the United States are now on high alert for potential acts of terrorism following the ...

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