US President Donald Trump said on Thursday that he had prevented several nuclear wars around the world, including a nuclear war between Ukraine and Russia.

Since the collapse of the old Soviet Union, Russia has cut a substantially diminished figure on the international stage.

At a time when nuclear dangers are not just rising, but multiplying, we need all hands on deck in sounding the alarm and advocating for abolition of nuclear weapons. Ivana Nikolić Hughes and Peter Kuznick Near the end of his life,

Beijing, Moscow and shaken American allies are seeking new warheads as President Trump ends more than a half century of nuclear arms control with Russia.

In this week's It’s Debatable article, Rosen and Moster debate if President Trump's foreign policy actions have increased the risk of nuclear war.

But beneath these visible shifts lies something less discussed and more dangerous: the slow collapse of nuclear stability. For much of the Cold War, people were terrified that a world with nuclear weapons would inevitably lead to proliferation and that wars would end up nuclear.