Article 5 of NATO's founding treaty enshrines the principle of collective defense, in which an attack on any of its 32 members is considered an attack on all.

Vladimir Putin hasn't made "a single concession" with respect to ending his war against Ukraine, retired Gen. Jack Keane said ...

As recounted by President Donald Trump on Fox News, “one of the most interesting things” Russian President Vladimir Putin ...

US Secretary of State Marco Rubio said Washington is coordinating with European and non-European allies to establish security ...

President Volodymyr Zelenskyy and President Donald Trump expressed hope that Monday's critical talks with Ukrainian and European leaders at the White House could lead to trilateral talks with Russian ...

President Donald Trump is vowing more changes to the way elections are conducted in the U.S., but based on the Constitution there is little to nothing he can do on his own.

In the first lady’s “peace letter” to Putin, she told the Russian president that “it is time” to protect children and future ...