Mustafa award, established in 2015 as part of Tehran's push to boost its international scientific profile, goes to professors from UCLA and Stanford

A day after Rouhani announces discovery of 53 billion barrel field in southwestern province, oil minister says only a small portion can be extracted

In second-ever visit by the head of the US Central Command, Gen. Kenneth McKenzie lands amid ongoing tensions over American withdrawal from the region

Find announced by president could boost the country's proven reserves by a third, though sanctions remain an obstacle to selling all that crude

At periodic review of Iranian civil liberties, 85% of United Nations delegates lavish praise on Tehran; US says it 'flagrantly violates' its citizens' freedoms

Tehran resuming uranium enrichment ramps up concern in Israel, overshadowing scandal involving Netanyahu's justice minister who appears to have knowingly broke the law

Estimated 5.9-magnitude temblor strikes area outside of Tabriz in country's northwest

Naval effort aims to protect shipping in the troubled Strait of Hormuz after a string of attacks blamed on Iran

Tehran's hybrid war strategy has secured it an advantage over US and allies in region, who have no effective response, according to major report by UK think tank

US calls blocking of UN official from nuclear site an 'outrageous provocation,' warns Tehran to not 'test the international community's resolve'