Jul 28, 2014 — Calling the matter "very serious," an Obama administration official says Russia violated the pact by testing a ground-launched cruise missile.
Jul 15, 2014 — The U.S. secretary of state said he would consult with President Obama on a way forward ahead of a July 20 deadline. Meanwhile, Iran is showing some flexibility on its nuclear program.
Apr 22, 2014 — The State Department, citing news reports of heightened activity at Pyongyang's test site, says it's closely watching the situation.
Oct 21, 2013 — The plant, to be built by a French company, would be the first in Britain in 20 years. France and Britain are among the few European nations that are planning an energy future with a strong nuclear component. Across much of the continent, existing plants are being phased out, most notably in Germany.
Sep 25, 2013 — Hasan Rouhani spoke of moderation and said Iran was willing to talk to the West about its nuclear program. The U.S. and its European allies have reacted with cautious optimism, but not everyone is buying the new Iranian leader's charm offensive.
Feb 12, 2013 — A year ago, there was speculation that Kim Jong Un might be different from his father and grandfather. North Korea's nuclear muscle-flexing has all but silenced that discussion.
Feb 3, 2013 — The comments by Iran's foreign minister at a security conference in Germany come a day after Vice President Joe Biden said the U.S. was willing to hold direct talks with the Islamic republic over its nuclear program. But Iranian Foreign Minister Ali Akbar Salehi said Washington must show "fair and real" intentions to resolve the issue.
Mar 17, 2011 — If you're anything like me — when it comes to learning something new in the field of science — words only do so much. In a video from CNN, the combination of sight and sound provides a further look into the nuclear reactor problem in Japan.