The small Gulf state has hosted high-level Western and Iranian delegations, passing messages between them.

Some of the major events in US-Iran relations highlight the differences between the nations’ views, but others presented real opportunities for reconciliation.

Since President Donald Trump took office, Iranians have held a more unfavorable view of the US.

Iran has threatened to shut down this narrow seaway. Here’s why that could be a big deal.

It would be a heavy lift, but revising the Iran nuclear deal would have some significant upsides, according to scholars at the University of Maryland.

It’s very dangerous to assume that Iran will not escalate the crisis further, much less that the US could limit any violence that might ensue.

How can the international community be sure Iran is living up to its end of the new nuclear deal?

The tentative Boeing jet deal prompted outrage among Republicans but barely a peep among Iran’s own conservatives, despite their aversion to warmer economic ties with the U.S.

Critics of the nuclear deal with Iran have good reasons to be skeptical, but blocking the deal would make the United States and its allies less secure.

Polls in Iran and US underscore the mutual popular mistrust that could scuttle a final deal.