The secretive Russian satellite in space that U.S. officials believe is connected to a nuclear anti-satellite weapon program ...

The non-partisan Congressional Budget Office's estimate does not include recently discovered cost overruns in the Sentinel ...

Although India’s policy regarding nuclear bombs is ‘no first use’, India’s nuclear doctrine says that if Pakistan uses even a ...

US allies were alarmed when Trump, following a heated argument with Ukraine President Volodymyr Zelenskyy at the White House, ...

The Ukrainians agreed, at the urging of President Clinton, to give up their nuclear arsenal in return for promises from the ...

At the heart of the deadlock is Iran’s relentless pursuit of its “right” to enrich uranium. Tehran frames this as a matter of ...

The Russian satellite Cosmos 2553, believed to be linked to a nuclear anti-satellite weapon program, appears to be ...

Negotiations between Iran and the United States over Tehran’s rapidly advancing nuclear program will return Saturday to the ...

Sen. John Fetterman said the U.S. should ‘provide our comprehensive military support and whatever else Israel requires to ...

The U.S. Supreme Court is considering arguments about temporary storage sites for the country's 90,000 tons of nuclear waste.

Under the terms of the Comprehensive Nuclear-Test-Ban Treaty all nuclear explosions are prohibited whether for military or peaceful purposes.