Leader Kim Jong Un pledged to pursue "sustained countermeasures," citing security ties between the U.S. and its regional ...

The Chinese Type 093B is classified by the U.S. military as a guided-missile nuclear-powered attack submarine.

North Korea said on Saturday its nuclear weapons are not meant for negotiations but are intended for combat use against ...

Scientists have been arguing about the health risks from radiation since the end of the 19th century, when radioactivity was ...

The $600 million machine is already online and operational at the Lawrence Livermore National Laboratory in California.

South Korea said denuclearization was still the goal after President Donald Trump used a phrase that could imply recognition ...

Trump has sought a nuclear deal with Russia and China for years. He could get one this time—but only if he does it the right ...

China is building a large-scale laser-ignited nuclear fusion research facility in Mianyang to enhance both nuclear weapons ...

Tehran has seen its regional proxies weakened, its president died in a helicopter crash and Israeli strikes damaged its ...

As the world became more dangerous in 2024, the use of its most dangerous weapons has become more likely. More From Our ...

North Korea defended its right to maintain a nuclear weapons program at a United Nations disarmament conference held shortly after U.S. President Donald Trump referred to the North as a "nuclear power ...