President Vladimir Putin warned that his forces could strike “decision-making centers” in the Ukrainian capital of Kyiv with new ballistic missiles as retaliation for attacks on Russia using Western missiles.

President Vladimir Putin said Friday that Russia will continue to test and start mass-producing the hypersonic ballistic missile that it fired at Ukraine Thursday.

The first combat use of Russia’s new IRBM — which Russian President Vladimir Putin called unstoppable — has drawn scrutiny from Western military experts.

The dust has settled in Dnipro, Ukraine, where investigators are analyzing the wreckage at a weapons factory struck by a new Russian intermediate-range ballistic missile last week. But the debate continues over the strategic impact of the missile,

Russia’s new ballistic missile flies on a high arc out of Earth’s atmosphere and releases multiple high-speed projectiles, making it challenging but not impossible to intercept

Russia's new Oreshnik missile is capable of carrying nuclear weapons. However, it is not yet known what kind of explosives, if any, the missile used to hit the Dnipro, The New York Times reports. According to the agency,