European powers are examining how to their bolster nuclear arsenals to guard against Russia amid questions about America’s commitment to NATO.

Developing nuclear fusion and modernizing the US nuclear arsenal will require substantial collaboration with the private ...

How much will it cost to modernize the land leg of America’s nuclear arsenal?

After the New START treaty expires in February, there will be no cap on the number of US and Russian nuclear weapons - but ...

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

On February 5, a treaty capping the numbers of deployed Russian and US nuclear warheads will expire, marking the first time in more than half a century that the two countries' nuclear programs will be ...

When Barack Obama took over the US presidency in 2009, North Korea could barely muster one nuclear weapon and had just a ...

U.S. President Donald Trump with Chinese President Xi Jinping. China's nuclear expansion is on a trajectory to soon rival America's arsenal, the authors of this op-ed write. (AP/Shutterstock) In ...

Japan doesn’t seem likely to develop nuclear weapons in the short-term. However, the tensions that triggered this episode are ...