It’s a new day in Europe. Gone are the halcyon years of unshakeable American commitment to Europe’s defense against Russia.

With all eyes on a possible ceasefire in the war in Ukraine, NBC News’ Richard Engel speaks with Ukrainian soldiers.

The director of a NATO research group told BI the crisis scenario she's most worried about at present.

Some rearmament is desirable. But figuring out how much to spend—and what to make—is critical to avoid mistakes, writes ...

Portugal could replace its ageing American-made F-16 fighter jets with European jets rather than F-35s following U.S.

For the past three years, the Russians have been spending 10% of their GDP on defense,” Macron told the French Le Figaro ...

Trump has repeatedly criticized Europe's defense spending and previously threatened to leave NATO if allies didn't pay more.

President Donald Trump has long advocated for NATO allies to ramp up defense spending to between 2% to 5% gross domestic ...

The Trump administration's warning last month that Europe must now take care of security in its own backyard raises troubling questions.

Billionaire Elon Musk threw his weight behind a US exit from NATO, saying on his social media platform that it “doesn’t make ...

European leaders are working to bolster the Ukrainian military and recruiting partners for a “coalition of the willing” to ...

NATO Secretary-General Mark Rutte is praising President Donald Trump for motivating fellow transatlantic alliance members to ...