Ukraine has said it is not considering developing nuclear weapons as a security measure, following reports that suggested it ...

Recent reports claim Ukraine could develop a basic nuclear bomb within months, using material from its existing power plants ...

When he takes office in January, President-elect Donald Trump will inherit a raft of national security challenges, including ...

A New York lawmaker who served as lead attorney for House Democrats during the first impeachment of President-elect Donald ...

Vladimir Putin was so close to using nuclear weapons in October 2022 that Liz Truss spent the dying days of her premiership ...

Rafael Mariano Grossi of the IAEA was visiting Tehran in an effort to restore his inspectors' access to Iran's program and ...

Iran claimed it is capable of building a nuclear weapon as Supreme Leader Ayatollah Ali Khamenei vowed a "tooth-breaking" ...

It has made a powerful case for the “nuclear taboo,” the consensus that nations with nuclear weapons must never use them. The ...

International Atomic Energy Agency chief Rafael Grossi met Iran's top diplomat Thursday as he began crunch nuclear talks in ...

New nuclear-capable planes and upgrades to old equipment are coming. Will they deter warfare or lead to an arms race?

a forum of the five original nuclear weapons states—China, France, Russia, the United Kingdom, and the United States—designed so those countries could jointly discuss their responsibilities. In this ...

Iran is capable of making nuclear weapons and will change its doctrine to allow their production if it faces an “existential ...