US president cites Tehran's actions in Mideast as cause for concern while saying prepared to reengage; speaks of challenges posed by Russia, China, climate

Iranian foreign minister says Tehran will immediately 'reverse all remedial measures' if the US unconditionally lifts all sanctions imposed by Trump

State Department says it will accept invitation from European Union to attend meeting with deal's original participants, including Tehran

Decades ago, Argentina's president found himself mired in a deadly sequence of interactions with Iran, as the regime pressed relentlessly for the bomb; if only that were history

French Foreign Minister Jean-Yves Le Drian will host German and British counterparts in Paris, with America's new top diplomat Antony Blinken joining via videoconference

IAEA head to visit Tehran, ahead of Iranian intention to end snap inspections

US secretary of state won't say if Washington has reached out to Tehran, vouches for nuclear deal, says Iran still 'ways away' from being in compliance

In keeping with ayatollah's fatwa, Tehran insists its atomic program has 'always been peaceful and will remain peaceful'

Former consul to New York Dani Dayan claims New Hope, to the right of Likud on many issues, can repair bipartisan ties in Washington that he says the premier drove into the dirt

Moscow says that while it understands Tehran's motives and the 'reasons prompting' further step away from 2015 nuclear deal, it wants Iranians to be 'responsible'