The video goes inside the B-52, a nuclear-capable bomber built for a war that never happened but still flying missions today.

When people think about nuclear war, they imagine the explosions. But that might not be what ends everything. The real danger ...

Civilization faces at least two existential crises. One of them, global warming, is happening now and will worsen throughout this century. The other is highly uncertain and could strike today. If it ...

Editor’s note: This is part of the “Nuclear winter: Why study it now?” series. Earth scientists Brian Toon and Alan Robock discuss their latest book on nuclear winter, “Earth in Flames” (Oxford ...

For decades, American allies in Asia and Europe have relied on U.S. extended nuclear deterrence for their safety. They forswore acquiring their own nuclear weapons, agreeing instead to live under the ...

President Donald Trump’s most consistent, and perhaps most compelling, justification for choosing to go to war with Iran was the “imminent threat” of the Iranian regime developing nuclear weapons with ...

Editor’s note: This is part of the “Nuclear winter: Why study it now?” series. In November of 1981, atmospheric chemist Paul Crutzen and I sat in his office at the Max Planck Institute in Mainz, ...