Russia and Iran fought wars in the 18th and 19th centuries, with the Russian Empire capturing broad territories in the Caucasus and the Caspian region previously controlled by Persian rulers.

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

Iran's refusal to recognize Crimea as Russian ... annexed by Moscow in 1783 under Catherine the Great as part of the Russian Empire. It gained its independence with Ukraine in 1991.

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 ...

DUBAI (Reuters) - Iran used Russian-made long-range air defence systems in a military exercise on Wednesday, following Israeli strikes last October which Israel said had seriously weakened Tehran ...

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

Syria was particularly crucial to Moscow, as Mr. al-Assad’s regime provided key naval air bases for the Russian military; those forces have had to withdraw. Iran, for its part, had invested ...

Iran used Russian-made long-range air defence systems in a military exercise on Wednesday, following Israeli strikes last October which Israel said had seriously weakened Tehran's defensive ...