When it comes to naval strength, the US is peerless, and that tradition continues with the first rigorous sea test of this ...

Energy Secretary Chris Wright says that new tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions ...

Touting new weapons tests, Moscow signals to Washington that it must contend with the Kremlin’s power and negotiate.

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.

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

ABOARD AIR FORCE ONE — President Donald Trump declined to say Friday whether he plans to resume underground nuclear detonation tests, as he had seemed to suggest in a social media post this week that ...

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

The U.S. voluntarily halted nuclear explosive testing in 1992, though it has the ability to restart tests at a site in Nevada ...

BUSAN, South Korea -- President Donald Trump appeared to suggest the U.S. will resume testing nuclear weapons for the first ...

The U.S. military regularly tests its missiles that are capable of delivering a nuclear warhead, but it has not detonated the ...