Tehran confirmed the purchase of Moscow's Sukhoi Su-35 fighter jets, strengthening the countries' military and political ties ...

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

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

Iran and Russia have grown closer since the start of the Ukraine war as the two countries face international sanctions.

Russian President Vladimir Putin is hosting his Iranian counterpart President Masoud Pezeshkian for the signing of a broad ...

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

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

Israel's actions in the wake of Syria's collapse give it unprecedented power in the air — right up to Iran's border.

Russia and Iran signed a mutual defense and security ... its regular proclamations of “Death to America, death to Israel!” and its backing of terrorist proxies Hamas, Palestinian Islamic ...

The loose arrangement of hostile powers could pose a series of conundrums for President-elect Donald Trump’s pick for ...