On Sunday, a Russian ballistic missile with cluster munitions struck a residential area of Sumy in northern Ukraine, killing ...

For the first time, President Joe Biden has authorized Ukraine to launch American-supplied missiles deep inside Russian ...

Three U.S. officials confirmed to ABC News on Sunday that Biden had authorized Ukraine to use the ATACMS -- officially called ...

A Cabinet minister stressed Britain was giving “full backing” to Ukraine as America allowed Kyiv to fire West-supplied ...

The Biden administration has allowed Ukraine to use Army Tactical Missiles Systems, a long-range missile system that often ...

Russia said Ukraine has fired U.S.-made longer-range weapons inside its territory days after the U.S. said it would allow ...

Ukraine has asked its allies for longer-range weapons to alter the balance of power in the war where Russia is better resourced.

President Vladimir Putin has updated Russia’s nuclear doctrine, two days after his US counterpart Joe Biden granted Ukraine ...

A Russian lawmaker calls President Biden's decision to let Ukraine fire U.S. missiles deep into Russia a "very big step ...

President Joe Biden for the first time authorized Ukraine to use U.S.-given long-range missiles to strike inside Russia, a ...

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." ...

When Joe Biden and Donald Trump sat down for their fireside chat last week, the outgoing president made it clear that ...