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 UK government has announced plans to build more than a dozen small nuclear reactors across the country, ushering in what it calls a new “golden age” for nuclear power. One of the ultimate goals is ...

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.