Iran launched missile and drone strikes targeting U.S. military facilities in multiple Middle Eastern countries Friday, retaliating after coordinated U.S.–Israeli strikes on Iranian military and ...

President Donald Trump said in an 8-minute video posted on his Truth Social that the U.S. has begun "major combat operations in Iran." He claimed Iran has continued to develop its nuclear program and ...

Three rounds of negotiations between Iran and the U.S. ended in the same way as last spring’s talks did in 2025: with U.S. and Israeli military attacks on Iran. Why? The U.S. came in with big demands ...

The U.S. and Israeli strikes against Iran began only hours ago, but there’s already one clear lesson for the rest of the world: If you have a nuclear weapon, you are safe from potential U.S. attack, ...

On Feb. 28, the United States and Israel launched coordinated but separately named military campaigns against Iran — the United States under Operation Epic Fury and Israel under Operation Roaring Lion ...

As a standoff between artificial intelligence firm Anthropic and the Pentagon deepened this week, the two sides offered starkly different accounts of a key discussion about a hypothetical nuclear ...

The Department of Energy has made public a set of new rules that slash environmental and security requirements for experimental nuclear reactors. Last month, NPR reported on the existence of the rules ...

GENEVA (AP) — Iran and the United States held hours of indirect negotiations Thursday over Tehran’s nuclear program but walked away without a deal, leaving the danger of another Mideast war on the ...

In 2024, Stanford researchers let loose five AI models — including an unmodified version of OpenAI’s GPT-4, its most advanced at the time — allowing them to make high-stakes, society-level decisions ...

Talks between Iran and the U.S. are set to resume as delegates from the two countries have convened in Geneva to discuss Tehran's nuclear buildup. Representing the U.S. are Special Envoy Steve Witkoff ...

Welcome to the Daily News Brief, CFR’s flagship morning newsletter summarizing the top global news and analysis of the day. “[Risks that conflict with Iran poses for the U.S. military] are magnified ...

A Cold War rumor of a Soviet nuclear-powered bomber sparked renewed American urgency to pursue nuclear aircraft propulsion. The US flew a reactor-equipped B-36 to test crew shielding, then explored ...