Julian Ku is professor of constitutional law at Hofstra University. When Yale law professor Oona Hathaway calls U.S. strikes ...

Past conflicts eroded Congress’s ability to decide when to go to war. Donald Trump’s attack on Iran destroyed it.

Christopher Yeaw, assistant secretary of State for the Bureau of Arms Control and Nonproliferation, spoke to a U.N.-backed body after the last nuclear arms pact between the United States and Russia ...

Disregarded by President Trump over Iran, Europe’s leaders are adapting to a world in which they are little more than ...

History is repeating itself. So large is the spectre of the Iraq invasion that a queasiness comes into every British stomach as soon as the Americans go to war. And with good reason. This time, ...

GENEVA — A U.S. official focusing on arms control on Monday provided what he called new, declassified details of a Chinese ...

As gala-goers in gowns and tuxedos were dancing the night away inside Mar-a-Lago’s ballroom Friday evening, a very different scene was unfolding on the other side of the rambling estate in Palm Beach, ...

Ironically, efforts to prevent nuclear proliferation may sometimes contribute to it. Given the current anarchy across the world, we can safely say that nuclear weapons are back on the menu, and they w ...

The United States has revealed new details about a Chinese underground nuclear test that it claims happened nearly six years ...

The joint US-Israeli assault on Iran, which began in the early morning hours of February 28, is a criminal act of war waged ...

The Foundation for Defense of Democracies warns Iran's alleged chemical weapons program poses growing threat as U.S.

During a news conference at a NATO summit in Brussels, President Biden said the U.S. would respond if Russia used chemical weapons in Ukraine, and said Russia should be expelled from the G-20. Photo: ...