The missile, which is claimed to possess extreme endurance and may pose a significant radiological hazard, is said to have ...

By holding nuclear drills and boasting about a successful test of a pioneering atomic-powered cruise missile, Russian ...

On Sunday, Russian President Vladimir Putin sought to test President Donald Trump‘s resolve in increasing pressure on Russia ...

WASHINGTON, Oct. 27 -- A senior U.S. defense official has said there is no evidence of North Korea having mastered hypersonic ...