The Kremlin has been rocked by the news that a once staunch ally is considering an exit from a Russian-led military coalition. The Collective Security Treaty Organization (CSTO), often seen as Russia's answer to NATO,

A Russian official says American Daniel Martindale has been rewarded with citizenship for spying on Ukraine, "by decree of our President Vladimir Putin."

Trump's threat against Russia runs parallel to a Senate-led effort to pass crippling sanctions on countries that buy Russian energy.

In an interview with DW, the mayor of Ukraine's capital Kyiv, Vitali Klitschko, explains what he thinks of US President Donald Trump's recent 50-day ultimatum to Russia. In 50 days more civilians could die,

US President Donald Trump is dissatisfied with Kremlin leader Vladimir Putin’s actions regarding Ukraine. While he always hopes diplomacy will succeed, he is also a realist, states US State Department spokesperson Tammy Bruce.

The Kremlin said on Tuesday that U.S. President Donald Trump's recent statements, including a threat of sanctions on buyers of Russian exports, are serious and require analysis.

Officials have warned Russian President Vladimir Putin that a demographic crisis could mean the country he leads will be short millions of workers by the end of the decade.

As scattered details of the apparent suicide of Russia’s former transport minister Roman Starovoit trickled in via state media on Monday, one stood out. Near his body, the Kommersant newspaper reported,

Russian President Vladimir Putin has sacrificed an estimated 1 million of his soldiers, killed and wounded, in a three-year campaign to crush Ukraine.