Richard L Garwin, the creator of America's hydrogen bomb, died on May 13 at his home in Scarsdale, New York. He was 97. Over the course of his seven-decade career, Mr Garwin laid the groundwork ...

After he drew up the hydrogen bomb, he went back to Chicago and walked around his bedroom, wondering what to do with his life. He’d done fundamental particle physics, but booking the cyclotron ...

A hydrogen bomb can be far more powerful than the atomic bombs the U.S. dropped on Japan in World War II. The U.S. conducted the first successful tests of hydrogen bombs in the 1950s.

The mayor of Greater Manchester calls on the government to act while the remaining survivors of the UK's 1950s nuclear tests ...

"Go to the basement or middle of the building. Stay away from the outer walls and roof because radioactive material will ...