The Poseidon’s power significantly exceeds the power of even our most promising Sarmat intercontinental range missile,” Putin ...

The U.S. stopped testing nuclear weapons over three decades ago, and all other countries followed suit. If we resume testing, ...

President Donald Trump ordered the U.S. to resume nuclear testing for the first time since a moratorium was declared in 1993.

This week alone, the Russian president unveiled two nuclear-capable weapons - but their value may be more symbolic than ...

President Donald Trump reiterated Friday that he wants testing of US nuclear weapons, but again failed to clarify whether he meant live explosions in an order that has provoked global tension and ...

US Energy Secretary Chris Wright said he expects US nuclear-weapons testing sought by President Donald Trump to stop short of ...

President Vladimir Putin says Russia has conducted a successful test of a new atomic-powered and nuclear-capable underwater ...

President Donald Trump announced he is ordering the U.S. to resume nuclear testing, leaving experts wondering what this would entail and how it would be implemented.

Trump's statement about nuclear testing came about 100 days before the expiration of the New Strategic Arms Reduction Treaty ...

The confusion over Trump's intention started minutes before he held a critical meeting in South Korea with Chinese President ...

Russian President Vladimir Putin said Tuesday that the country successfully tested its nuclear-powered Poseidon torpedo, a ...