U.S. envoys Steve Witkoff and Jared Kushner are also responsible for Russia-Ukraine talks nearby, so they may be shuttling ...

Iran and the U.S. traded threats and warnings even as negotiators sat down to discuss a deal to avert a war, but Tehran says "we now have a clearer path ahead." ...

Stafford Sheehan’s new startup Project Omega is working with the U.S. government to turn nuclear waste into “unlimited energy." ...

The second round of talks in Geneva about Iran's nuclear program takes place as the United States ramps up its military presence in the Middle East and Iran holds large-scale maritime exercises.

A top arms diplomat at the State Department recently laid out what might come next as Washington upends decades of federal policies on nuclear proliferation.

U.S. President Donald Trump has kept up pressure on Iran, moving an aircraft carrier and other military assets to the Persian ...

NPR's Steve Inskeep speaks with Vali Nasr, a professor of Middle East studies at Johns Hopkins University, about nuclear ...

The 30,000-pound guided bomb is designed to penetrate an estimated 200 feet through rock or other hard substances before destroying enemy labs or bunkers.