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

Shadmani’s pronouncement is the first official confirmation of Tehran’s purchase of the Russian fighters that has long been ...

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

Amid Western concerns about Tehran and Moscow's growing military cooperation, Iran said it has purchased Russian-made ...

This rapprochement saw Russia supply two reactors to the Bushehr nuclear power station. When Vladimir Putin succeeded Boris Yeltsin, his commitment to revitalizing relations with Tehran was ...

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

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