| Oct 1, 2013
| 9:17 PM
Harold Agnew, a leading figure of the nuclear age who helped design the first atomic bomb as a member of the Manhattan Project, led efforts after World War II to make the weapons more secure and championed the development of nuclear power during a...
| Oct 4, 2013
| 4:39 PM
President Barack Obama is approaching one of those moments when a big turn in foreign policy is possible. People can debate whether it's the equivalent of the opening to China or the end of the Cold War, but there's no doubt that this is a time of...
| Oct 5, 2013
| 8:00 AM
WASHINGTON — Obama administration officials hoping to end the nuclear standoff with Iran not only face a nation legendary for hard-line negotiating, they also must deal with members of Congress who may be just as unyielding.
In talks with Iran set...
| Oct 14, 2013
| 11:49 AM
Iran and six major powers have been at odds for a decade over the Islamic republic’s development of nuclear capabilities, at the heart of negotiations set to resume Tuesday in Geneva.
Hopes of budging the high-stakes diplomatic standoff from...
| Oct 15, 2013
| 3:34 AM
JERUSALEM — With talks between Iran and six world powers set to resume in Geneva on Tuesday, Israeli leaders issued a stern warning to the so-called P5 Plus One diplomatic group: don't ease pressure on Iran.
It would be a "historic mistake" to...
| Oct 15, 2013
| 4:24 AM
GENEVA -- In an hourlong, English-language Powerpoint presentation, Iran’s foreign minister Tuesday unveiled a widely anticipated plan for ending the conflict over his country’s nuclear program, as two days of talks between Iran and six...
| Oct 21, 2013
| 3:00 AM
The Geneva talks last week between Iran and the international community represented by the so-called P5+1 Group — the five permanent members of the U.N. Security Council plus Germany — did not produce any major breakthroughs toward resolving...
| Oct 18, 2013
| 7:49 PM
The Energy Department's plan to modernize its aging nuclear weapons complex and update the seven hydrogen bomb designs in the nation's arsenal would require massive investments at a time of severe budget pressure.
As a result, the plan is getting a...
| Oct 19, 2013
| 10:59 AM
WASHINGTON — The six world powers negotiating with Iran over its disputed nuclear program asked Tehran in an opening proposal earlier this week to slow, rather than halt, low-level uranium enrichment at its two enrichment facilities, a hard-line...
| Sep 18, 2013
| 1:30 PM
Iran will never develop nuclear weapons, President Hassan Rouhani vowed Wednesday in his first U.S. media interview since his inauguration last month.
Rouhani also said in the interview in Tehran with NBC News international correspondent Ann Curry...
| Sep 19, 2013
| 4:30 AM
When the Bulletin of the Atomic Scientists at the University of Chicago launched a magazine in 1947, its editors turned to artist Martyl Schweig Langsdorf for some cover ideas.
The horrors of Hiroshima and Nagasaki were still fresh, and the imminent...