NATO Secretary-General Mark Rutte warned the United States and Europe on Wednesday against any temptation to "go it alone" on ...

A new map has shown Vladimir Putin's "shadow war" being fought on NATO territory including in the US, Europe and the UK ... Hybrid warfare efforts present real threats to society and democratic ...

There were no U.S. forces taking part in NATO's biggest exercises this year. This may have always been the plan, but European nations ... Great Prayer Day, to pay for military spending.

Article 5 has only been invoked once in NATO's history, and that was on Sept. 12, 2001, one day after Al-Qaeda killed ... spending more to help ensure Europe's defense than the NATO members ...