Escalating tensions between Ukraine and Russia sent investors rushing into safe havens such as gold and Treasurys on Tuesday.

The Kremlin warns Kyiv's use of such missiles would mark an escalation in the conflict, hours after Joe Biden gives the green light.

Ukraine fired six American-supplied longer-range missiles at Russia's Bryansk region, Moscow said today, in what ...

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

Biden allows Zelensky to conduct long-range missile strikes inside Russia - Keir Starmer says ‘we need to double down’ on ...

The new doctrine allows for a potential nuclear response by Moscow even to a conventional attack on Russia by any nation that ...

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." ...

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Ukrainian troops have launched an attack against a Russian border region with six US long-range missiles, Moscow has said. It ...

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

Russian President Vladimir Putin on Tuesday lowered the threshold for nuclear weapons use, just two days after the U.S.