In a sense, U.S. nuclear weapons exist not to be used. And while nuclear threats seem far away, a tool from one group brings ...

World’s First Nuclear Blast Left Behind a Mysterious Form of Matter — And Scientists Still Can’t Explain What It Is Sometimes, the most remarkable discoveries come from unexpected places. In one such ...

Hydronuclear experiments, barred globally since the 1990s, may lie behind President Trump’s call last month for the United ...

We asked Professor Paul Bracken, an expert in nuclear strategy, what’s behind the posturing and what test explosions would mean for the world.

FILE - The first U.S. atom bomb explodes during a test in Alamogordo, N.M., July 16, 1945. The cloud went 40,000 feet in the air, as viewed by an automatic camera six miles away from the site. (AP ...

The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were used during war. Here’s a look at the history and current U.S. stockpile.

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

Cameron’s upcoming film, Ghosts of Hiroshima, will focus on the aftermath of the atomic bombs in Japan - Universal History Archive/Getty “This might be the most challenging film I ever make.” So says ...

Risks of a serious crisis are rising. But for disaster response, the information environment has never been worse.

Should the U.S. and Russia resume nuclear testing? The answer to that question must be a resounding “No.” Yet President ...