President-Elect Joe Biden will inherit a long-awaited drawdown in both countries, with American rivals waiting in the wings to fill the power vacuum.
The U.S. embassy in Baghdad, Iraq, is regularly targeted by Iranian-backed militias but Tehran denied responsibility for Sunday's rocket barrage.
Nasrin Sotoudeh, the subject of "Nasrin" the compelling new documentary by Jeff Kauffman and Marcia Ross, may be the bravest person you never met. She is a lawyer for women's rights and human rights in Iran.
Top Iranian officials have maintained a combative stance ahead of Biden's inauguration, as they prepare for negotiations to revive the beleaguered Iran nuclear deal.
Iran returns to the nuclear obligations it gradually violated, while the U.S. provides the economic sanctions relief Tehran is afforded to under the deal. This is the fastest way to deescalate the situation.
Iranian President Hassan Rouhani said Wednesday: "We are not overjoyed about Mr. Biden's arrival, but we are happy about Trump leaving."
The Organization of Defensive Innovation and Research was led by Mohsen Fakhrizadeh and has been sanctioned by the U.S. State and Treasury departments.
"Given that the US has admitted that he was on a secret CIA mission to Iran, perhaps the media should look to the U.S. government for any further information," Iranian mission to the United Nations spokesperson Alireza Miryousefi told Newsweek.
"This is just one step in a long road toward achieving justice for him, but it is an important one," Robert Levinson's family said in a statement sent to Newsweek.
Two U.S. B-52H bombers flew close to Iranian airspace last week in a round-trip show of force mission from Louisiana to the Middle East.
Iran hanged journalist Ruhollah Zam on Saturday, accusing him of directing mass anti-government protests in 2017.
Iran's parliament has ordered its atomic agency to push ahead with uranium enrichment outside that allowed by the JCPOA nuclear deal.
The scientist was assassinated last month near Tehran, and Iran has blamed Israel for an operation that sparked fresh tensions in the Middle East in the final weeks of Trump's term.
Jake Sullivan, Biden's pick to be national security adviser, said Monday that the incoming administration thinks "it is feasible and achievable" to return to the Iran deal.
"The problem in the region is not Iranian activities," Russian ambassador to Anatoly Viktorov said. "It's a lack of understanding between countries and noncompliance with U.N. resolutions in the Israel-Arab and Israel-Palestinian conflict."
The recent assassination of top nuclear scientist Mohsen Fakhrizdeh threatens to plunge U.S.-Iranian ties into deeper chaos before President-Elect Joe Biden can attempt to thaw relations.
As newly appointed Syrian Foreign Minister Faisal al-Makdad met senior Iranian officials, he sought to shore up backing from the Islamic Republic, which is also on the defense against the United States and Israel.
Tensions between Iran and Israel have escalated since the killing of top nuclear scientist Mohsen Fakhrizadeh.
Tehran has blamed Israel for last week's killing of top nuclear scientist Mohsen Fakhrizadeh near Tehran.
"Such acts not only run contrary to all norms of interstate relations and International Law but also threaten the peace and stability of an already fragile region," the Pakistani Foreign Ministry said in a statement sent to Newsweek.
Israeli and Iranian officials vowed to Newsweek they would defend their country after the brazen assassination of a top nuclear scientist of the Islamic Republic, while experts linked the killing to a broader power play among competing Middle East rivals.
Iran has blamed Israel for last week's killing of its top nuclear scientist, and vowed revenge against those responsible.
A new Iranian president may also be better positioned in the system to negotiate more expansively than Rouhani. Washington shouldn't be rushing to recreate a reality from 2015 that doesn't exist anymore.
"Pretty much everything they've done so far is reversible, and President-elect Biden and Tehran have indicated a similar desire of return for compliance, for return to the JCPOA," Jarrett Blanc, former deputy U.S. coordinator on Iran nuclear implementation, told Newsweek.