During the late 1970s, the United States developed a nuclear weapon designed not to flatten cities but to kill the people inside them. The neutron bomb, formally known as an enhanced radiation weapon, ...

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.

Nuclear weapons tests were once a regular occurrence, but most countries haven’t tested in decades, following the adoption of the Comprehensive Nuclear-Test-Ban Treaty in 1996. Now, that moratorium ...

For better or worse, the U.S. nuclear arsenal is currently having a moment. First, "A House of Dynamite" became an instant No. 1 hit for Netflix shortly after its global streaming debut in October.

Since the successive Israeli and US air strikes on Iran’s nuclear sites in June, much of the fevered and highly politicized public debate has focused on whether the attacks have “obliterated” Tehran’s ...