In the Hamgyong Mountains, located in northeastern North Korea, lies the relatively nondescript Mt. Mantap. At 7,234 feet ...

An expert on military escalation, Pape warned Sunday that Tehran could carry out a nuclear weapons test as part of an effort to confront President Donald Trump with a major military and political ...

The United States has accused China of conducting a covert nuclear explosive test in 2020, a charge that lands at a moment when the last major arms control agreements are fraying. The allegation, ...

Deployable Energy's Unity demonstration reactor has been selected by the US Department of Energy's National Reactor Innovation Center for testing inside the Demonstration of Microreactor Experiments, ...

President Donald Trump has directed the Pentagon to resume testing nuclear weapons after a 33-year pause, announcing the move on social media just ahead of meeting Chinese President Xi Jinping in ...

On Thursday morning, precisely at 9 am, as communities scattered across southern Israel's Negev Desert were busy with their daily routines, the ground suddenly began to shake. Alarms blared in all ...

A US-developed nuclear battery that achieved its first controlled chain reaction in roughly 150 ...

What You Need to Know: Russia’s recent changes to its nuclear doctrine and tests of the Oreshnik intermediate-range ballistic missile are raising concerns about a potential escalation in the Ukraine ...

The U.S. energy department’s National Nuclear Security Administration (NNSA) has conducted an underground chemical ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Speaker 1: From the opinion pages of the Wall Street Journal, this is Potomac ...