Ukraine has struck again near Putin’s hometown of St. Petersburg, triggering a massive ammunition depot explosion that ...

When a nuclear accident happens, it’s vital that scientists have accurate fallout models.

The Lawrence Livermore National Laboratory study shows that the formation of radioactive fallout is more complex than some ...

An Iranian state television channel has reportedly blamed an "editing mistake" after briefly airing footage that appeared to ...

Space-based nuclear weapons are a serious matter, and one that deserves the very highest level of national attention.

By recreating a nuclear fireball, scientists uncovered unexpected chemistry that could change how radioactive fallout is ...