Explore the Cold War period, one of the most significant and tense times in modern history. Unlike traditional wars fought ...

NPR's Ayesha Rascoe speaks to nuclear expert James Acton from the Carnegie Endowment for International Peace about the dangers of what is being called the new nuclear age.

Ironically, China’s commitment to Marxist one-party rule never wavered during the post-Cold War period, while Moscow, at one stage, entertained actually joining NATO.

And so the second half of the Cold War is then marked by this period of nuclear arsenals getting smaller, of arms control. And that was the world that we were in for about 20 years after the end ...

NPR's Ayesha Rascoe speaks to nuclear expert James Acton from the Carnegie Endowment for International Peace about the dangers of what is being called the new nuclear age.