The test was to ensure the “nuclear deterrent remains safe, secure, reliable, and effective in deterring 21st-century threats ...

The U.S. Air Force launched an unarmed Minuteman III intercontinental ballistic missile from California’s Vandenberg Space ...

No explosive devices were found, the "all-clear" was issued and students were allowed to resume normal activities shortly after 1 a.m.

The White House in January said that the " complete denuclearization " of North Korea remains President Donald Trump 's priority. However, Kim Jong Un, the North's leader, refused to give up his ...

A tank of the purest water, buried under kilometers of rock in Ontario, Canada, flashed as a barely detectable particle ...