The New Start Treaty will expire Thursday, removing limits on the U.S. and Russia's arsenals for the first time in over 50 years.

The announcement comes just days after NPR revealed the administration had secretly rewritten safety and environmental standards.

Wayne Eyre, the former chief of the defence staff, recently said Canada shouldn't rule out acquiring nuclear weapons, but experts and the defence minister dismiss the idea.

The UK government has published a first-of-its-kind framework that aims to stimulate private investment in innovative nuclear technologies – including advanced, small, and micro modular reactors – across the country,

Iran requested to move talks from Turkey, Secretary of State Rubio confirms. Rubio laid out what topics needed to be discussed for a "meaningful" result.