David Wright

A week after the test launch of an intermediate-range Hwasong-12 missile, North Korea today tested a medium-range missile. Based on press reports, this appears to be a Pukguksong-2 missile, which is...

As North Korea continues its missile development, a key question is what it may have learned from its recent missile test that is relevant to building a reentry vehicle (RV) for a long-range missile...

North Korea launched a missile in a test early in the morning of May 14, North Korean time. If the information that has been reported about the test are correct, the missile has considerably longer...

North Korea launched a missile from its east coast into the Sea of Japan at 6:12 am local time on April 5 (5:42 pm on April 4 US eastern time). US Pacific Command initially identified it as a KN-15...

Last week, China proposed a way to reduce tensions on the Korean peninsula: Pyongyang would freeze its missile and nuclear programs in exchange for Washington and Seoul halting their current round of...

In the March 2017 issue of Scientific American , the editorial board calls for the United States to take its nuclear missiles off hair-trigger alert as a way to reduce the risk of mistaken or...

Yesterday North Korea launched four ballistic missiles into the Sea of Japan. The missiles reportedly traveled an average of 1,000 km (620 miles), and landed within 300 to 350 km (185 to 220 miles)...

Kurt Gottfried, a founder of UCS in 1969 and a guiding spirit and intellect since then, has won the prestigious 2017 Scientific Freedom and Responsibility Award given by the American Association for...

Updated 8 pm EST Sunday North Korea reportedly launched a medium-range missile Sunday morning local time (about 6 pm Saturday on the US east coast). People are speculating about what missile it could...

A press story from South Korea reports that the North may be preparing for a missile test launch, possibly in the next few days. Some suggest this could be intended as fireworks for Donald Trump’s...

Pages

Subscribe to RSS - David Wright