The New START Treaty, initially signed by the United States and Russia in 2010, continued a string of nuclear arms control agreements between the two countries stretching back to 1991.
But on 5 February 2026 it expired – leaving no limit on the number of nuclear weapons the US and Russia can stockpile.
The BBC’s Washington correspondent Daniel Bush explains what comes next for nuclear weapons in the 21st century.
Video edited by Alex Foster
When the job of eSafety Commissioner came up, she bashfully explains there was a small pool of candidates to choose from. The man who helped write the bill, Malcolm Turnbull, went on to become prime minister. He hired her and, she says, wanted a commissioner with a background in online safety, but also experience in the tech sector itself.
These include motifs of a horse and corgi, references to art and theatre to mark “her enduring support for culture”, as well as some of her favourite flowers – roses and lily of the valley. The golden wattle, Australia’s national floral emblem, is also represented.