Russia's full-scale war on Ukraine has prompted a slew of difficult questions for a NATO alliance long confident of economic and military superiority over its historical eastern adversary.

Nato members have pledged to spend at least 2% of the value of their economies on defence per year by 2024, but many have faced criticism for not shelling out enough and leaving the burden on ...

The head of Nato, Mark Rutte, has told BBC News that Nato members will have to spend "considerably more than 3%" of the value of their economies on defence. In an interview with BBC News on 14 ...

Donald Trump has insisted he "supports" Nato's Article Five amid ongoing tensions between the US president and other members of the military alliance over talks to bring an end to the Ukraine war.

Donald Trump has insisted he "supports" Nato's Article Five amid ongoing tensions between the US president and other members of the military alliance over talks to bring an end to the Ukraine war.