A U.S. official said Russia has a limited number of the missiles and that it cannot regularly deploy them on the battlefield.

Rocket Lab plans to launch five "Internet of Things" (IoT) satellites to orbit tonight (Nov. 23), and you can watch the ...

President Vladimir Putin said Friday that Russia will continue to test and start mass-producing the hypersonic ballistic ...

NATO and Ukraine will hold emergency talks Tuesday after Russia attacked a central city with a hypersonic ballistic missile ...

Russian President Vladimir Putin says the weapon was developed very rapidly, hyping it up as an unstoppable hypersonic ...