House Democrats rebuffed attempts by Republicans Wednesday to authorize funding for so-called low-yield nuclear weapons that the Trump administration says are key to deterring Russia. Foxnews.com

The U.S. Nuclear Regulatory Commission in April spent $939 of its remaining balance from the federal fund intended to pay for a federal repository for the nation’s nuclear waste. Exchangemonitor.com

Nuclear power reactors in Japan that have resumed operation could be forced to temporarily shut down again if back-up safety measures are not in place by specified deadlines under new rules approved by the country’s Nuclear Regulation Authority (NRA). Operators of restarted units have already said they expect delays in the completion of such facilities. World-nuclear-news.org

Iran’s supreme leader said Thursday that the U.S. would be powerless to stop Iran from obtaining nuclear weapons and said no further negotiations with American leaders are forthcoming. Nationalreview.com