President Trump has argued the U.S. should test nuclear weapons because other countries are doing it. But scientific data suggest they’re not.

The U.S. hasn’t tested the explosion of a nuclear weapon since 1992, when President George H.W. Bush ordered a moratorium.

Trump's statement about nuclear testing came about 100 days before the expiration of the New Strategic Arms Reduction Treaty ...

The United States is not ready to restart nuclear weapons testing and risks losing ground to China and Russia if it pushes ...

The W88, estimated to yield 455 kilotons of TNT explosives, is one of the most powerful nuclear warheads in the U.S. arsenal, and is carried on Trident II D5 submarine-launched ballistic missiles ...

The nuclear weapons testing ordered by U.S. President Donald Trump will not involve nuclear explosions at this time, Energy Secretary Chris Wright said on Sunday.

A single nuclear bomb dropped on a city can kill millions. If many such bombs were used, they could change the world's ...

The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were used during war. Here’s a look at the history and current U.S. stockpile.

President Donald Trump announced he is ordering the U.S. to resume nuclear testing, leaving experts wondering what this would entail and how it would be implemented.

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 ...