As the video illustrates, it doesn’t matter much who starts the war: when one side launches nuclear missiles, the other side detects them and fires back before impact. Ballistic missiles from U.S.

Scientific knowledge about the damaging effects of nuclear-weapons testing helped to end such tests. Those findings haven’t changed.

A committee-supported project or activity that has been completed and for which output dissemination has begun. Its committee has been disbanded and closeout procedures are underway. Studies of the ...

This activity was supported by a contract between the National Academy of Sciences and the U.S. Department of Energy, National Nuclear Security Administration ...

Key elements of the Trump administration’s arguments this week for another military campaign against Iran do not hold up.