German Chancellor Olaf Scholz said Wednesday that the principle of inviolability of borders applies to every country, however powerful, and suggested that expansionist comments by ...

Membership in NATO is the only credible long-term security guarantee Ukraine can receive against future Russian aggression, ...

The plans will focus on Ukraine's air force, drone programs and air defense capabilities, among other parts of Kyiv's military, a U.S. defense official said.

Ukraine's accession to NATO does not pose a threat to other countries. The alliance's expansion occurs at the request of ...