Tit-for-tat attacks in Iraq and Syria risk undermining Biden's efforts to revive the nuclear deal with Tehran.
Israeli leaders remain staunchly opposed to the JCPOA nuclear deal and have threatened military action against Iran's nuclear program.
Defense Minister Benny Gantz said on Thursday that Israel will "stand independently" against Iran if needed.
Pentagon spokesperson John Kirby has come under fire for referring to Iran-aligned fighters as "Shia-backed militias."
The European JCPOA signatories withdrew a planned IAEA censure of Iran on Thursday, after Tehran threatened a "serious response."
Iran and the U.S. remain stuck in a stalemate over which side will take the first step to revive the JCPOA nuclear deal.
Israel has accused Iran of a fresh attack on commercial shipping in the Gulf of Oman as the U.S. and Iran remain in a nuclear stalemate.
Netanyahu has long led foreign opposition to the Iran nuclear deal, and was a major influence on President Donald Trump's decision to withdraw from the accord in 2018.
Iran's conservative-dominated parliament has made a legal complaint against Rouhani's government for agreeing a last-minute deal to secure international nuclear inspections.
Officials have agreed to maintain access for atomic energy inspectors, but Iran's standoff with the U.S. president over the nuclear deal continues.
The Biden administration said on Thursday it was ready to meet with JCPOA signatories and rescinded the previous administration's bid to reimpose United Nations sanctions on Tehran.
The Biden administration said on Thursday it was ready to meet with signatories of the JCPOA nuclear deal and discuss its revival.
The JCPOA European signatories could serve as a referee for a simultaneous U.S. and Iranian return to the nuclear deal.
One civilian contractor was killed and several Americans wounded in Tuesday's rocket attack in Iraq, which was claimed by an Iran-linked militia.
The former president still believed he could make a deal with Tehran even as relations collapsed during his term.
Exiled Iranian crown prince, Pahlavi, told Newsweek the historic normalization deals represent the "best prospect for peace and a meteoric rise in prosperity in the Middle East."
The son of the former shah of Iran is among the dissidents urging the president to break away from what they say is a flawed agreement that favors Tehran.
Iran and the Biden administration remain at odds over who should take the first step to reviving the JCPOA.
Iranian military officials are continuing to threaten the U.S. and its allies, even as Tehran seeks a nuclear detente.
The International Atomic Energy Agency has confirmed that Iran is now producing uranium metal, which can be used in the core of a nuclear weapon.
This week, 120 House Republicans signed an open letter urging the president not to pursue a detente with Tehran.
While Iranian officials wait for President Joe Biden to act, military leaders have maintained a steady stream of belligerence.
The U.S. and Iran are settling into a stalemate over the revival of the JCPOA nuclear deal, ditched by Trump in 2018.
The new administration is currently in a stand-off with Tehran as to who should take the first steps back to compliance with the 2015 accord.
President Joe Biden is under pressure from Moscow, Beijing and Tehran to come back to the accord as quickly as possible.
Foreign Minister Javad Zarif said Monday that the new administration's chance to revive the JCPOA "is not unlimited."
Israeli military chief Aviv Kohavi said this month he had ordered "operational plans" in case the country decides to attack Iran.
The U.S. and Iran are waiting for the other to make the first move towards reviving the 2015 JCPOA, from which former President Donald Trump withdrew in 2018.
The White House is pushing Iran to return to compliance with the nuclear deal before it lifts sanctions, but Tehran wants Joe Biden to make the first move.