nuclear weapons

Two members of Elon Musk's Department of Government Efficiency were given accounts on classified networks that hold highly guarded details about America's nuclear weapons, two sources tell NPR.

After President Trump pulled out of the Iran nuclear deal in his first term, his administration launched negotiations Saturday in search of a new agreement to curb Iran's nuclear weapon capabilities.

Critics argue that people planning to live through an atomic blast aren't focusing on the real and current dangers posed by nuclear threats.

For 50 years, a secretive group of government workers has been preparing for the worst. Here's a rare look inside the team that's ready to respond to a nuclear incident anywhere, anytime.

Dozens of advocates are blanketing Capitol Hill this week to push for Congress to revive a program that provided compensation to people with long-standing impacts from U.S. nuclear testing programs.

The Stockholm International Peace Research Institute report says it hasn't seen nuclear weapons playing such a prominent role in international relations since the Cold War.

People who live near the areas where nuclear weapons were tested say their communities still suffer harm and are pressing Congress to renew funding to help them.

Russian President Vladimir Putin issued explicit nuclear threats to the West, even as he assured Russians their country could both win the war in Ukraine and thrive economically.

The Pentagon's latest report shows China is on track with its efforts to develop a nuclear arsenal — though their total warheads are still a fraction of that of the US.

The world's major nuclear powers haven't tested a bomb this century, but experts worry that may be about to change.