Nuclear bombs do not rely on size, they rely on physics. Here is how chain reactions and hydrogen bombs unleash power on a city-ending scale.

Here’s how a nuclear bomb actually works. The B61 and the B83 nuclear bombs currently in the United States’ arsenal are thermonuclear, or hydrogen bombs, and quite different than the fission weapons ...

Alex Wellerstein joins WIRED to answer the internet's burning questions about nuclear science. Which nations have nuclear bombs? Who decides who gets to have nuclear warheads and who doesn't? Why were ...