The regime is grappling with the collapse of its regional "Axis of Resistance" and mounting economic troubles at home.

NICOLE GRAJEWSKI is a Fellow in the Nuclear Policy Program at the Carnegie Endowment for International Peace and an Associate with the Project on Managing the Atom at the Harvard Kennedy School. She ...

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

For Moscow, Iranian President Masoud Pezeshkian's visit to Russia on Jan. 17 is a diplomatic victory. The trip's centerpiece ...

Russian President Vladimir Putin and his Iranian counterpart Masoud Pezeshkian deepened military ties between their countries ...

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

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

Iran acquiring Russian Su-35 fighter jets would mark a major upgrade of its air force without changing the regional balance of power, analysts believe. A senior Iranian military official told state ...

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

Iran has acquired Russian-made Sukhoi-35 fighter jets, a senior Revolutionary Guards commander announced on Monday, amid ...

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

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