Ukrainian President Volodymyr Zelenskiy called on Saturday for the creation of a European army, saying the continent could no ...

Vice President JD Vance, Secretary of State Marco Rubio and a coalition of senators met with Ukrainian President Volodymyr ...

Shortly before sitting down with Vice President Vance, President Zelenskyy said he will only agree to meet in-person with ...

The Ukrainian president told NBC News' "Meet the Press" that he doesn't "want to think about" not having American support.

Trump has called for the U.S. to draw down defense spending and work with Russia and China toward joint nuclear disarmament.

Opinion: The U.S. Defense Department might benefit from leveraging commercial technology more aggressively, argue RAND ...

Both Ukraine and Russia are operating fiber-optic drones, which can't be jammed with traditional electronic warfare tactics.

As Ukrainian attacks wipe out their tanks and armoured vehicles, Moscow’s troops adopt new tactics amid ammunition woes.

Speaking at a meeting of the Ukraine Defense Contact Group—the American-led consortium of 57 countries and the European Union ...