President Donald Trump is expressing uncertainty that NATO would come to the U.S.’s defense if the country were attacked, ...

EU leaders shaken by the prospect of US disengagement agreed to boost the bloc's defences at a crisis summit Thursday, as ...

In his nightly address on Thursday, Ukrainian President Volodymyr said he would travel to Saudi Arabia on Monday and his team would stay on to hold talks with U.S. officials.

European Union leaders on Thursday committed to working together to bolster the continent's defenses and to free up hundreds of billions of euros for security after U.S. President Donald Trump's ...