Pete Hegseth thinks we're at a point where long-range drones and hypersonics are changing and contesting battle spaces ...

Donald Trump’s ousted National Security Adviser Mike Waltz faces fresh controversy after being spotted using Signal on his ...

Senate Republicans are standing by embattled Secretary of Defense Pete Hegseth, but they are privately wondering how much ...

A new memo and U.S. officials say the Army is planning a sweeping transformation that will merge or close headquarters, dump ...

WASHINGTON − Defense Secretary Pete Hegseth has fired Vice Adm. Shoshana Chatfield, the U.S. military’s representative to NATO, the latest in a purge of senior officers. Hegesth dismissed ...

With Mike Waltz leaving the NSC, Pete Hegseth has the chance to up his game in leading the Department of Defense.

Miní, a wild-born female jaguar, takes an unbelievable journey from the Iberá Wetlands to the Gran Chaco forest to revive a ...

Defense Secretary Pete Hegseth directed the Army to undergo a “comprehensive transformation” as he is calling for the ...

Three sources tell NBC News that National Security Adviser Mike Waltz and Deputy National Security Advisor Alex Wong are ...

Three sources are confirming to NBC News that National Security Advisor Mike Waltz and Deputy National Security Advisor Alex ...

U.S. President Donald Trump has named Homeland Security Secretary Kristi Noem and Defense Secretary Pete Hegseth as co-chairs ...