Confusion on whether Iran truly needed only “two weeks to four weeks” to make a nuclear weapon, as President Donald Trump suggested on Monday, hangs over the ongoing U.S. and Israeli war on the Persian Gulf nation. Nuclear experts call this claim ...

Reports a test firing of a Trident missile from a Royal Navy submarine has failed for the second time in a row has refocused attention on the UK's nuclear capability. The current Vanguard nuclear submarines are due to be replaced by Dreadnought boats in ...

This year’s contributors to the Bulletin’s “Voices of Tomorrow” section, which features essays and opinion pieces by rising experts, focused heavily on the threats posed by nuclear weapons. We also published a few pieces by younger authors ...

Tulsi Gabbard, the recently resigned/retired/fired US Director of National Intelligence, told Congress just two months ago that US intelligence agencies had concluded Iran was not building nuclear weapons.

The new mandate on nuclear weapons is a win for public health, but the UK is on the wrong side of the evidence, writes Bimal Khadka In May 2025 the World Health Assembly voted 86-14 to instruct the World Health Organization (WHO) to reassess what a nuclear war would mean for people,