The question of whether Iran's Supreme Leader Ali Khamenei has authorised the development of nuclear weapons has taken on urgency following the devastating 12-day conflict with Israel in June. Israeli ...

The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing are unraveling.

President Donald J. Trump has been unequivocal and consistent for decades: Iran will never be permitted to obtain a nuclear weapon. This position ...

A DF-17 road-mobile medium-range ballistic missile is seen during a military parade in Beijing's Tiananmen Square on September 3, 2025. China may want to develop new nuclear warheads for its ...