Back in the 1930s, physicists were doing experiments involving what they called "beta decay." They observed that an element would suddenly spit out a fast-moving electron, and once it was done, it ...

Robert Peters is a Senior Research Fellow for Strategic Deterrence in Heritage’s Allison Center for National Security. Washington faces a choice: reduce the size of its nuclear force or expand and ...

The United States needs a nuclear posture that can credibly deter limited, non-strategic nuclear war without either forcing it to escalate to central, strategic war or forcing it to lose an ongoing ...

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 ...

Beijing has been expanding its arsenal, and distrust between China and the United States over nuclear weapons has deepened, with little hope of an agreement. By Chris Buckley When President Trump ...

Experts warn that resumption of full nuclear weapons tests is unnecessary and would undermine the United States' efforts to discourage other nations from testing their own nukes. (Tech. Sgt. Draeke ...

The country’s production of nuclear warheads has slowed, but its missiles may be poised to strike back fast in case of an attack, an annual assessment found. By Chris Buckley Reporting from Taipei, ...

China—the world's third-largest nuclear power, behind Russia and the United States by number of warheads—is unlikely to increase transparency around its buildup in the new year, following this year's ...