AI companies would be required to submit their frontier models on a voluntary review basis before public releases.
Secretary of State Marco Rubio said Washington and Tehran are close to a deal, but he warned that progress is slowed by fractures in Iran’s leadership.
The order came after a federal judge blocked updated vaccine guidance.
NASA also expressed confidence that some of the company’s upcoming moon base missions could still go ahead as planned.

Democrats say the change protects voters and answers Republican-led states while the GOP calls it a partisan gerrymander.
Supporters say it can rein in local government spending, but critics warn it will hamstring Florida’s cities.
An eighth grader from California claimed the $50,000 National Spelling Bee top prize by spelling 32 words in 90 seconds.
The California gubernatorial and Los Angeles mayoral primaries are among the most closely watched races today.
The CDC was notified of the outbreak on May 28, though the causative agent of the outbreak is still unknown.
Marlene Carson is doing what she loves to fight what she hates.
The gathering in Washington came ahead of the 37th anniversary of Beijing’s Tiananmen Square massacre, also a taboo subject in China.
The United States said Monday that it bombed radar and drone sites in Iran.
Governors are up for reelection in 36 states across the country this fall, including Iowa.
The president gave an update on negotiations between Washington and Tehran in a weekend interview.
Five out of nine artists scheduled to perform as part of a planned concert series have pulled out, citing politics and security concerns.
‘For too long, the security of this region has rested disproportionately on American military power,’ Secretary of War Pete Hegseth said.
The move comes as endorsements from the president demonstrate heavy influence in Republican primaries across the country.
The president’s order references a scientific assessment by the Department of Health and Human Services issued earlier this year.
Jacob Wenske allegedly suggested in a Facebook post that he wanted to bomb an event with the Turning Point USA CEO.
State lawmakers started redistricting talks after the Supreme Court ruled that race could not be a key factor when drawing electoral maps.