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 ...

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 ...

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

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

The Iranians were already supplying Putin with Shahed-136 kamikaze drones for use in his illegal war in Ukraine and there is ...

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

Syria’s interim president made his first trip abroad Sunday, traveling to Saudi Arabia in a move likely trying to signal ...

Russian President Vladimir Putin announced plans on Friday to build a gas pipeline to Iran aimed at eventually transporting ...