MINOT AIR FORCE BASE, N.D. (AP) — Defense Secretary Mark Esper used his first-ever visit to a nuclear missile field in frigid North Dakota to tout the Trump administration's multibillion-dollar plan for a top-to-bottom modernization of the nuclear arsenal....

WASHINGTON (AP) — The White House has not made a decision about whether to extend the only treaty that constrains U.S. and Russian nuclear forces because administration officials want more time to coax China into a three-way arms control pact.China,...

BRUSSELS, Belgium (AP) — US Defense Secretary Mark Esper said Tuesday he is looking to NATO allies for more help countering the Islamic State extremist group in Iraq and in bolstering U.S. defense efforts in the Middle East more broadly.In an interview...

WASHINGTON (AP) — President Donald Trump's national security adviser warned Palestinians on Wednesday that Israeli settlements will continue to expand because rising anti-Semitism around the world means more Jews will immigrate to Israel.Addressing...

MOSCOW (AP) — A senior Russian diplomat raised concern Wednesday about the United States deploying a new submarine-launched nuclear weapon, saying the move signaled Washington's belief that it could wage a limited nuclear conflict.The Pentagon's top...