President Trump suggested the U.S. should have tested NATO’s commitment by invoking Article 5 in response to the southern border crisis.

President Donald Trump was joined by a small number of world leaders on Thursday as he signed the charter of his "Board of ...

Since Russia full-scale invasion of Ukraine almost four years ago, Europe's attention has been firmly fixed on NATO's eastern ...

Leaders of Denmark and Greenland insisted Thursday that the island's sovereignty was nonnegotiable after U.S. President Donald Trump said he had agreed with the NATO chief on the framework of a future ...

The Ukrainian leader says the document now needs to be signed by "presidents", without giving details of its content. Ukrainian, Russian and US officials will meet tomorrow.