Space-based nuclear weapons are a serious matter, and one that deserves the very highest level of national attention.

US President Donald Trump said a final agreement with Iran could be reached within days and insisted that any deal would ...

Germany discovered nuclear fission before the rest of the world and possessed some of the greatest physicists in history.

President Trump’s boasts of securing a commitment from Iranian leaders not to develop a nuclear weapon have puzzled nuclear ...

In this photo provided by the North Korean government, its leader Kim Jong Un, front right, visits a new facility to produce ...

By recreating a nuclear fireball, scientists uncovered unexpected chemistry that could change how radioactive fallout is understood.

Chinese and North Korean state-run media this week devoted thousands of words to Xi Jinping 's summit with Kim Jong Un, but ...

The Lawrence Livermore National Laboratory study shows that the formation of radioactive fallout is more complex than some ...

VIENNA, June 4 (Reuters) - The U.N. nuclear watchdog sent a report to member states on Thursday with no major changes to its ...

KYIV — Russian forces deliberately struck a storage facility for spent nuclear fuel near Ukraine’s Chornobyl power plant, ...