There is growing discussion within the Kremlin that this is the moment to use battlefield nukes against Ukraine - and even ...

International Campaign to Abolish Nuclear Weapons says states spent an extra $16.8bn on their nuclear arsenals in 2025.

Having already used nuclear bluffs against the West, the Russian President might try again - and find himself forced to ...

Russian shadow fleet tankers were used to launch drones over nuclear sites in Britain and across Europe as part of a ...

Don’t expect the Russian president to pursue peace. Instead, he could continue to expand the war beyond Ukraine’s borders – with dire risks for us all, says Guardian foreign affairs commentator Simon ...

Analysts believe that limited provocations are more feasible due to Russia's commitments in Ukraine, while NATO is preparing ...

During a frozen morning in Arctic Norway, a group of British and Norwegian soldiers padded softly through a snow-blanketed ...

Ukraine has held a day of mourning after Russia's deadliest attack of the year so far killed at least 30 people. Ukraine hit ...

MIT researchers think they've worked out exactly how Russia's Burevestnik nuclear-powered missile flies. "It's almost certainly a terrible idea," one analyst said. "But it's not an impossible idea." ...

Ukrainian drone attacks have achieved breakthroughs, but only ballistic missiles can push Russia to reconsider its war objectives, military experts and officials say.

THIS is the daring moment The Sun’s Defence Editor Jerome Starkey test drives an infantry fighting vehicle set to defend ...