Polish Foreign Minister Radosław Sikorski has emphasised that Ukraine's military is the strongest guarantee of the country's ...

A Scranton native and military veteran is speaking out about a national security breach that mistakenly revealed classified ...

President Donald Trump did not rule out military force to acquire Greenland in an interview as the Danish territory continued ...

The recent security breach by top U.S. national security advisers using the Signal messaging app has put a new “gate” in our ...

The Danish foreign minister has scolded the Trump administration for its “tone” in criticizing Denmark and Greenland, saying ...

A man in Northern England said he had stumbled upon hundreds of documents, including threat assessments, armory codes and ...

Danish Foreign Minister criticises Trump administration's tone on Greenland, emphasises increased investment in Arctic ...

From the decision that sent Navy SEAL Ryan Owens to his death to appointing a Fox News host to run the Pentagon, Trump ...

Niger has quit an international force fighting armed Islamist groups in West Africa's Lake Chad region as it seeks to shore up security around oil assets at home, the government said in a bulletin on ...

European and Asian partners are bulking up on defense because they can no longer trust the US.