Secretary of State John Kerry warned Iran that hard choices were needed to seal a nuclear accord, and that the U.S. was prepared to walk away.» Read More
Sen. Bob Corker, (R-Tenn.), explains why he thinks any effort by the Obama administration to bypass Congress and to straight to the UN to implement a nuclear agreement would be "a direct affront to the American people."
An association of top scientists has moved the hand of the symbolic Doomsday Clock, over the threats of nuclear weapons and warming climates.
President Obama discusses current information on Iran's nuclear program, and the negotiations in progress.
Bruce Klingner, Senior Research Fellow, Northeast Asia at The Heritage Foundation, says South Korean President Park Geun-hye is open to talks with North Korea due to growing political challenges.
Iran's president may sincerely want to liberalize his country's economy, but that's unlikely to happen—for now, anyway.
A number of variables could influence the way the latest round of negotiations over Iran's nuclear program shape up, Ian Bremmer told CNBC.
Jeremy Bash, Beacon Global Strategies, discusses the departure of Defense Secretary Hagel and the risks associated with negotiations between the U.S. and Iran .
Raymond Tanter, Emeritus Professor at the University of Michigan, says the final round of talks with Iran may yield a "framework of agreed points" by the deadline on November 24.
The nuclear pact being negotiated with Iran is unpalatable to Israel, and may hasten a confrontation with Tehran, according to a report.
Flynt Leverett, Former National Security Council Senior Director for Middle East Affairs (2002 -2003), explains why he's skeptical that a final deal with Iran can be reached by the new deadline.
Iran and six world powers on Friday agreed to a four-month extension of negotiations on a long-term nuclear deal.
The big environmental argument for nuclear energy: Its carbon emissions are the lowest among major power sources.
India is set to pay Iran $1.65 billion under an interim nuclear deal that eases sanctions and gives Tehran access to $4.2 billion in blocked funds.
Carl Bildt, Swedish foreign minister, discusses nuclear security in Ukraine and says that Russia's marginalization in international affairs will have a negative impact on its economy.
William Tobey of Harvard University says that Russia is now showing signs of reluctance in its commitment to improving nuclear security.
Russia has quietly taken the lead in the $500 billion nuclear export market, building new facilities as the U.S. sits on the sidelines.
China is demanding Japan get rid of its "bomb in the basement," and drop plans to open a new reactor this fall.
A deal for Iran to freeze parts of its nuclear program in return for sanctions relief will take effect on January 20.
Yair Lapid, Israel's finance minister, downplays the dispute between the U.S. and Israel over the Iran nuclear deal saying that it's "okay to have disputes within the family".
Amb. Ido Aharoni, Consul General of Israel in New York, discusses the U.S deal with Iran over nuclear weapons.