President Vladimir Putin on Tuesday formally lowered the threshold for Russia's use of its nuclear weapons, a move that ...

The attack came just days after President Biden gave Ukraine permission to use the weapons to strike targets inside Russia.

The developments marked a worrying new escalation in the conflict that has repeatedly ratcheted up international tensions.

A RAND Europe study has distilled key lessons from the ongoing war in Ukraine, emphasizing the need for NATO and the UK to ...

Warning comes as Putin lowers threshold for using Russia nuclear arsenal in move decried as ‘irresponsible’ by the West.

Finally, he should tell Putin and Xi Jinping that since Russia’s 10-year invasion of Ukraine has clearly emboldened Beijing ...

Kremlin spokesperson Dmitry Peskov said Tuesday that Russia's new nuclear weapons doctrine means Ukraine's use of Western ...

A joint declaration from the G-20 summit in Rio includes calls for a global pact to combat hunger, more aid for Gaza and the ...

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

Ukraine has fired six U.S.-made ATACMS into Russia, marking the first attack using the U.S.-made long-range missiles in 1,000 ...

Ukraine used U.S. ATACMS missiles to strike Russian territory on Tuesday, taking advantage of newly granted permission from ...