In the late 1950s, the US Air Force quietly assembled top scientists, including a young Carl Sagan, to study a nuclear detonation on the Moon as a Cold War show of strength. The plan never happened, ...

In today’s world, it is hard to realize how frightened Americans were at the news of Sputnik orbiting the Earth. Part of it was a fear of what a rival nation could do if they could fly over your ...

In 1958, as Cold War tensions shaped decisions in Washington and Moscow, a study quietly examined whether a nuclear device ...