As the dust settles over the American missile and bomb craters in Iran, questions are already swirling about the success of the U.S. operation and the ripple effect it could have on the region and ...

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 Trump administration has discussed possibly helping Iran access as much as $30 billion to build a civilian-energy-producing nuclear program, sources say.

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.

While Trump claims to have destroyed Iran’s nuclear program, analysts say U.S. and Israeli attacks may have pushed the country closer to building a weapon.

Iran was believed to possess nearly 900 pounds of 60% enriched uranium before Saturday’s strikes by the US.

Why Iran’s Nuclear Program Is So Essential to Its Identity Its long, complicated relationship with the United States has a lot to do with it.

But watchers of Iran's nuclear program say a massive question mark looms over the U.S. operation – what happened to Iran's enriched uranium?

Iran launched a barrage of ballistic missiles at a U.S. military base in Qatar, though also indicated a desire to de-escalate. President Trump is echoing that call and announced a ceasefire ...

Oil markets are in turmoil after U.S. strikes on Iran, with fears of regional escalation and potential disruption to vital Middle Eastern energy routes.

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.

Trump claimed Iran’s nuclear facilities had been “obliterated,” but some Iranian officials downplayed the impact of the strikes – just as they did when Israel first struck Iran’s ...