Days after President Biden eased restrictions on Ukrainian use of American-made weapons, Russia said it was struck by six U.S ...

Markets sold off Tuesday as geopolitical tensions escalated between Ukraine and Russia. The Dow fell 300 points, or 0.7%; and the S&P 500 and Nasdaq 100 both moved around 0.5% lower. The selling comes ...

Kremlin spokesperson Dmitry Peskov said Tuesday that Russia's new nuclear weapons doctrine means Ukraine's use of Western rockets "can prompt a nuclear response." ...

The Biden administration has authorized Ukraine to use U.S.- supplied longer-range missiles to strike deeper into Russian ...

President Vladimir Putin on Tuesday formally lowered the threshold for Russia's use of its nuclear weapons, a move that follows U.S. President Joe Biden's decision to let Ukraine strike targets inside ...

Ukraine has fired US-made ATACMS missiles into Russia’s Bryansk region, Russia’s Defense Ministry said, in a major escalation ...

Oil futures trimmed losses to trade near unchanged after Russian President Vladimir Putin signed a revised nuclear doctrine declar ...

Should ATACMS be launched at targets deep within Russia, Putin would be required to retaliate—escalating an already dangerous ...

A decree signed by the Russian leader, though long-planned, came days after President Biden authorized the use of ...

President Joe Biden's administration has allowed Ukraine to use U.S.-made ATACMS missiles to strike deep into Russia, two U.S ...