PhysicsThe US is unlikely to test nuclear weapons, despite what Trump says President Donald Trump appears to have ordered a return to nuclear testing after decades of uneasy but effective treaties banning the practice – but will it actually happen? Analysis
TechnologyUkrainian AI attack drones may be killing without human oversight Ukraine is using drones equipped with artificial intelligence that can identify and attack targets without any human control, in the first battlefield use of autonomous weapons or "killer robots" News