Russia-U.S. relations are at a breaking point, with Moscow warning of a possible diplomatic collapse. Russian Deputy Foreign Minister Serge...

Russia expressed openness to hearing President-elect Donald Trump's proposals for ending the war in Ukraine. This comes as a Russian drone ...

Russia plans to amend its nuclear doctrine in reaction to Western actions regarding the Ukraine conflict, according to Deputy Foreign Minis...

The Kremlin has vowed to counter the U.S. plan to deploy long-range missiles in Germany, viewing NATO's actions as a threat to Russia's sec...

But Russia intends to stick by its pledge last month to keep notifying the U.S. about missile tests in line with a 1988 U.S.-Soviet agreeme...

Along with the data about the current state of the countries' nuclear forces, the parties also have exchanged advance warnings about test l...

Putin announced the suspension in a major national address on Tuesday, as U.S. President Joe Biden vowed to keep supporting and standing up...

Ukrainian President Volodymyr Zelenskiy has warned Russian forces they face a fight to the death if they try to occupy the capital Kyiv, as...

The meeting is part of "Strategic Security Dialogue" talks launched by Presidents Joe Biden and Vladimir Putin during a June summit in the ...

Russian President Vladimir Putin raised the demand for security guarantees in last week's video call with U.S. President Joe Biden. During ...

The incident marked the first time since the Cold War that Moscow acknowledged using live ammunition to deter a NATO warship, underlining t...

Ukraine last week protested the Russian move to close broad areas of the Black Sea near Crimea to foreign navy ships and state vessels unti...

As a new report from American intelligence said Russia was not seeking direct conflict with the United States, Biden in a telephone convers...

US President Donald Trump insists that China should be involved in the talks on New START, the treaty that caps US and Russian nuclear warh...

The 1987 Intermediate-Range Nuclear Forces (INF) treaty limited the use of medium-range missiles, both conventional and nuclear.

US said Washington was reviewing military options, including new intermediate-range cruise missile systems, in response to what it said was...

President George W. Bush arrives here Saturday for talks with President Vladimir Putin, with the two men looking to narrow differences on U...