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 (AP) — The Brexit drama shook the foundations of the European Union for years and laid bare the need for much-delayed political renovations at the 27-nation bloc. But now that Britain has finally left, where does the EU revamp even start and...

BRUSSELS (AP) — China and its increasingly sophisticated and far-flung military sit atop U.S. Defense Secretary Mark Esper's list of international security worries, but in Europe a bigger concern is closer to home: Russia.The Trump administration has...

MOSCOW (AP) — A meeting chaired by President Vladimir Putin on amending the Russian Constitution produced suggested changes on a variety of topics Thursday, ranging from the protection of traditional values to the country's status as a nuclear power.Putin...

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) — Security guards at an Air Force base responsible for protecting strategic nuclear missiles in three states are under investigation for alleged marijuana use, Air Force officials said Monday. They are part of the same security force...

PARIS (AP) — French President Emmanuel Macron on Friday advocated a more coordinated European Union defense strategy in which France, the bloc's only post-Brexit nuclear power, and its arsenal would occupy a central role.Macron outlined France's nuclear...

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...

WASHINGTON (AP) — The U.S. military has deployed a new addition to its nuclear arsenal — a long-range missile armed with a nuclear warhead of reduced destructive power. The so-called low-yield missile joins other, more powerful weapons aboard stealthy...