North Korea currently has as many as 150 nuclear weapons in stock and may ramp up the figure to more than 400 by 2040 as it ...

Hydronuclear experiments, barred globally since the 1990s, may lie behind President Trump’s call last month for the United ...

The U.S. is building 12 Columbia-class submarines armed with ballistic missiles to serve as its sea-based nuclear deterrent ...

Yaroslav Trofimov of The Wall Street Journal explains why he thinks that the U.S., Russia, and China have entered a new nuclear race.

SLBMs can be launched from underwater nearly anywhere in the world—and are incredibly difficult to intercept, making them ...

For the United States to compete with China and Russia on nuclear energy, it must work with allies to accelerate nuclear expansion at home, in Eastern Europe, and in emerging markets.

Iran is legally obliged to cooperate with the IAEA under the Nuclear Nonproliferation Treaty. But it has not yet provided ...

As Moscow threatens to launch nuclear warheads against NATO states helping Ukraine fend off the Russian invaders, the world ...

First lady Melania Trump and second lady Usha Vance visited Marine Corps Air Station New River, where Trump warned artificial ...