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

The Treaty on the Non-Proliferation of Nuclear Weapons (NPT) remains the cornerstone of global efforts to prevent the spread of nuclear weapons. Adopted in 1970, the NPT’s objectives are threefold: ...

US President Donald Trump has instructed the Pentagon to resume nuclear weapons testing immediately, “on an equal basis” with other countries' testing programmes. If Trump is referring to the ...

Nuclear waste is largely misunderstood, thanks to the Cold War and war movies. However, even if nuclear energy is safer than ...

Global momentum continues to build behind nuclear power. There are more than 400 nuclear reactors in operation today in 31 countries, and the number of countries that are considering, planning or well ...

In Japan and South Korea there is deepening concern over the reliability of long-time American security guarantees – whether the U.S. will come to their aid in the event of a war. This has been ...