Newsweek has looked at the potential fallout of the U.S. using the largest nuclear weapon in its arsenal, the B-83, on ...

Meanwhile, Newsweek has compared how different countries' nuclear weapons compare, by using maps produced by Alex Wellerstein ...

Escalating tensions between the U.S. and Russia over the war in Ukraine are promoting talk and fears of WWIII and a nuclear ...

The area is rarely used in part because it’s inside the Van Allen belts, zones ... weapon. This article is part of the Opinion series At the Brink, about the threat of nuclear weapons in an ...

As the conflict in Ukraine heats up and exchanges between Israel and Iran spark fears of nuclear escalation, the US ...

Earlier this year, Putin lowered the threshold of nuclear weapon use by saying Russia ... at what happens in each level of ...

Ukraine war rumbles on and tensions around the world spike, the US government has issued a grim guide on how to survive a ...

Many foreign policy experts warn that if Iran were to acquire nuclear weapons, it would be broadly ... systems or otherwise failed to do much damage, but some projectiles did get through.