The path forward requires setting aside both illusions and grievances at a time when security guarantees must be earned rather than assumed. In this emerging reality, Eastern European nations can ...

Business Insider flew aboard the decades-old aircraft during a recent surveillance mission. NATO plans to replace the E-3 in ...

Part of the agreement involves a commitment to buy American oil and gas. Over the course of the Russia-Ukraine war, now in ...

As the front lines froze, and air defenses got better, Russia and Ukraine pivoted away from close bombing runs to standoff ...

The European Commission says 18 EU countries have so far applied for billions of euros from a new defense fund aimed at ...

Business Insider got access to a NATO AWACS flight for an eight-hour surveillance mission over Eastern Europe.

In unusually direct criticism, former NATO insiders say the alliance is being shaped to reflect Donald Trump's priorities.

While there are currently no plans for Austria to seek membership in NATO, the foundation for joining the alliance may already be in place.

The best candidate, at least for the near term, has granular understanding of existing forces and informal links to suppliers ...

NATO's commitment to spend five percent of GDP on defense by 2035 was meant to unify the alliance, but it's revealing ...

The defense alliance of 32 countries is planning to invest billions in its security over the coming decade. But it’s a splurge that some European NATO members, saddled with huge debt burdens, can ...

This year's NATO summit opens Tuesday, attended by a disengaged United States, which seems bent on fighting its own battles, rather than helping European allies with the increased threat from Russia.