Russia and Iran signed a mutual defense and security cooperation pact on Jan. 17 — just days before President Trump’s ...

Iran has purchased Russian-made Sukhoi-35 fighter jets, a senior Revolutionary Guards commander said on Monday, amid Western ...

NICOLE GRAJEWSKI is a Fellow in the Nuclear Policy Program at the Carnegie Endowment for International Peace and an Associate ...

Just three days before US President-elect Donald Trump returns to the White House, Russia and Iran have finally signed a ...

Russia-Iran ties warmed after the USSR's demise in 1991. Moscow became an important trade partner and a key supplier of weapons and high technologies to Iran, which faced isolation from sweeping ...

The presidents of Russia and Iran have signed a broad cooperation pact to deepen their partnership amid stinging Western ...

Vladimir Putin and Masoud Pezeshkian will sign a new treaty on Friday that will strengthen Russia-Iran relations.

Russian President Vladimir Putin and his Iranian counterpart, Masoud Pezeshkian signed a new strategic cooperation pact as ...

While Moscow and Tehran have shared warmer relations for decades, a revival of the nations’ allyship occurred when the former ...

Iran and Russia signed a 20-year strategic partnership treaty. It outlines significant economic and military cooperation.

Analysis: The 20-year strategic agreement bolsters bilateral ties as Russia and Iran reel from the loss of the Syrian regime, but frictions remain.

Russian President Vladimir Putin and his Iranian counterpart, Masoud Pezeshkian, signed a broad cooperation pact Friday as ...