There are discouraging signs for talks scheduled for January: the main rebel forces will not send a representative, and President Assad has less reason to compromise after recent battlefield gains.
Jubilant Iranians swarmed the nuclear negotiating team upon their arrival home, potentially strengthening negotiators' hand in quieting critics.
An upbeat Russian Foreign Minister Lavrov lauded the negotiated settlement, saying it will benefit everyone in the long run. Russia has opposed many of the sanctions on Iran.
France says its hard-line stance on Iran led to a tougher deal it could accept, but there was also likely too much momentum toward a deal for France to object.
Iran and the US hailed an accord that temporarily halts Iran's nuclear program and offers sanctions relief – but holds major political risks for both President Obama and Iran's President Rouhani.
While the deal freezes growth in Iran’s nuclear capabilities, Israel says it doesn’t curtail Tehran’s ability to create a nuclear bomb in short order.
Iranian citizens are anxiously following nuclear talks in Geneva and some feel that world powers are pushing too hard for concessions.
Israeli Prime Minister Netanyahu fiercely opposes a deal with Iran, but the Israeli military puts a more positive spin on how a deal could bolster regional stability.
Negotiators open a new round of negotiations on Iran's nuclear program today. On the agenda: defining Iran's 'right' to enrich uranium.
The Kremlin, which has long backed a negotiated solution with Iran, isn't going to yield to Israel's objections, say Russian experts.
A third round of talks begins today, and prospects for a deal on Iran's nuclear program have never been better.
Iran's embassy was targeted today by suicide bombers angry at Tehran's strong backing for the Syrian regime. Saudi Arabia is throwing its weight behind anti-Assad forces.
French President Hollande's warm words on a state visit to Israel echo the talking points of pro-Israel lobbyists in the US, but divisions on the Palestinian peace process remain.
An Iranian video urging reason, the unveiling of new military equipment, and accusations of secret nuclear sites all bear implicit messages as negotiators arrive in Geneva.
Iran's Arak heavy water reactor was no secret to nuclear experts. It just didn't worry them. So how did it suddenly become a dealbreaker?
The first three months of Iranian President Hassan Rouhani's administration were marked by a rare slowdown in nuclear progress, UN inspectors have reported. Will it build enough goodwill for a deal?
But while Russia put the blame for the nuclear talks' failure on an unnamed Western nation, its experts say a diplomatic solution for Iran's nuclear ambitions remains likely.
The failure of recent talks between Iran and world powers on its nuclear program could help hardliners opposed to a deal. Negotiators are scrambling to prevent that.
Foreign Minister Fabius said France won't accept a 'sucker's deal' on Iran's nuclear program, raising questions about its relationship with Iran.
French objections helped block talks that appeared close to a preliminary deal. Kerry warned each day of delay meant 'Iran will continue to enrich, and Iran will continue to put centrifuges in.'
A first-phase nuclear deal with Iran appeared imminent, spurring Secretary of State John Kerry and European foreign ministers to rush to Geneva.
When Iranian hardliners draped Tehran with anti-US banners, Foreign Minister Zarif asked the world to understand that, like the US tea party, the groups don't speak for everyone.
Negotiators have a new two-phase plan to halt expansion of Iran's nuclear program before a final deal, but the plan does not ease most punishing sanctions.
Fearful that Iran could still build a nuclear weapon, Israel is insisting sanctions be tightened further. But US negotiators are urging the opposite to give talks a chance.
Turnout at Iran's annual commemoration of the embassy seizure today was the largest in years. But do hardliners have the clout to disrupt talks on Iran's nuclear program?