The Sun, our life-giving star, is slowly dying. In about 5 billion years, it will exhaust its fuel and transform into a red giant, altering the solar system forever. But long before that, the Sun’s ...

It came from the stars and still dazzles us today. But why is gold believed to be a “store of wealth” – and where is it kept?

The surface of Mercury as seen by BepiColombo’s M-CAM2 (ESA/BepiColombo/MTM) If meteorites from Mercury were discovered, they could help resolve a variety of long-standing scientific questions.

How an atomic weapon is built, and what the recent Israeli and U.S. attacks on Iran may mean for the country’s nuclear ambitions.

The U.S. military’s strike on three sites in Iran raised urgent questions Sunday about what remains of Tehran’s nuclear program and how its weakened military might respond. The decision to ...

Previous Israeli strikes at another Iranian nuclear site, Natanz, on a centrifuge site have caused contamination only at the site itself, not the surrounding area, the IAEA has said.

As U.S. strikes on Iranian nuclear facilities drive fears of retaliation, it remains to be seen whether Iran will try to block oil trade via the Strait of Hormuz.

Iran will emerge from this war with dead nuclear scientists and destroyed physical nuclear infrastructure, but what will persist in some form is the technical expertise that enabled it to enrich ...

Assessing the true impact of U.S. strikes on Iran's nuclear sites The heads of two key American intelligence agencies issued statements Wednesday on what they said was "new" intelligence on the ...

Exiled crown prince of Iran Reza Pahlavi: The Iranian people have repeatedly shown they possess the courage to confront tyranny. The moment is here.

The United States only selectively employed military force against Iran-backed militias and sought limited concessions—such as its 2015 nuclear agreement with Iran—at moments of heightened risk, ...

President Trump’s claimed Iran’s capabilities were “obliterated.” The full extent of the damage is still emerging.