Upping pressure, Iran's foreign minister says Washington may lose opportunity to turn the page with Tehran

In rare comments admitting Tehran is considering developing nukes, official claims it would be the West's fault for making moves to 'corner' his country

Islamic Republic reiterates demand US first remove measures; Israel's US ambassador says president's statement a 'positive sign'

Supreme leader claims Tehran abided by its commitments while US, France, Germany and the United Kingdom reneged

Former Iranian diplomat says the Islamic legal opinion issued in 2003 'might be changed' and Biden could be forced back into nuclear deal 'with no preconditions'

Nation's supreme leader earlier this month banned the use of vaccines made by the United States and Britain

Trial now to be increased to 300 volunteers; Tehran hopes to have 3 local COVID-19 vaccines available to public by June, having banned Western vaccines

Twitter freezes one of Iranian supreme leader's accounts for threats to avenge 2020 Soleimani death, but main account that routinely threatens destruction of Jewish state still up

Iran's supreme leader had said importing shots from US or UK was prohibited: 'It's not unlikely they would want to contaminate other nations'

Iran's supreme leader also says Tehran wants US to first lift sanctions before any return to nuclear commitments; Revolutionary Guard unveils new underground missile base