The Trump administration on Monday announced an unprecedented set of new sanctions on Iran’s nuclear and ballistic missile sectors. 
All international sanctions on Iran that were lifted as part of the Obama administration’s landmark nuclear deal with the country have come back into effect as of Saturday evening, removing the last remaining vestiges of the agreement that were still in place. 
Senate Republicans petitioned the White House to press forward with a set of new sanctions on the entirety of Iran’s financial sector, a move that would cut Tehran off from the global banking system. 
Iran has quietly been developing a dangerous, militaristic space program, an Israeli defense expert said Friday.
The Trump administration is preparing a new round of sanctions on Tehran as the Ayatollah courts arms agreements with China and Russia, the Wall Street Journal reported Thursday.
The Department of Justice charged two Iranians on Wednesday with engaging in a wide-ranging state-backed cyber espionage campaign targeting national security intelligence and nuclear information. 
A U.S. think tank is under fire from the Trump administration and its allies in Congress for hosting Iran’s chief propagandist in an upcoming event that legal experts say runs afoul of American sanctions laws. 
American intelligence officials warn that Iran is planning the assassination of U.S. ambassador to South Africa Lana Marks as revenge for the drone strike against Iranian general Qassem Soleimani, Politico reported Monday.
Iran is behind an ongoing series of hack attacks and online disinformation campaigns meant to influence the 2020 U.S. presidential election and boost Democratic candidate Joe Biden. 
The United States has evidence that Iran is stockpiling enriched uranium, the key component in a nuclear weapon, in direct violation of international restrictions on Tehran’s use of the fissile material. 