David Funk is overseeing the construction of several new experiments underground. Plutonium makes up the core of America's ...

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

Should South Korea Pursue Nuclear Weapons? A Deliberate and Cautious Approach The ongoing debate over whether South Korea ...

This core component contains a gas such as deuterium ... the device yielded a 15 megaton explosion—allegedly the most powerful nuclear weapon ever detonated by the US. Ebisawa’s access to ...

said the U.S. cannot build more nuclear weapons than Russia and China (and its "gigantic economy") in the decades to come, despite an ongoing $1.7 trillion nuclear arsenal modernization plan.

There were no calamitous new developments last year with respect to nuclear weapons—but this is hardly good news. Longstanding concerns about nuclear weapons—involving the modernization and expansion ...

Kim Jong-un inspected major core process of producing weapons-grade nuclear materials and was briefed on current state of ...

A NEW Chinese fusion facility may be where the world’s first “artificial sun” is born – but could also be used to develop ...

U.S. defense analysts assess that Russia is not preparing to use nuclear weapons in Ukraine, and Putin’s nuclear threats are dismissed by Ukraine’s supporters as “bluffs” to curtail ...

North Korean leader Kim Jong Un visits the country’s nuclear material production base and nuclear weapons institute at an undisclosed location in North Korea in this photo released by North ...

On the 77th anniversary of the atomic bombings of Hiroshima and Nagasaki, the cities' hibakusha demanded that Japan sign and ratify the Treaty on the Prohibition of Nuclear Weapons (TPNW).