Weapons and warfare
A selection of women and people of color who achieved remarkable things in science after working on the Manhattan Project.
The idea of a nuclear bomb accidentally setting the entire planet on fire was once a fear shared by many.
Early research suggests virus can protect rodents without negative side effects.
While plenty of apocalypses occur in science fiction, the risks could be shown more realistically, experts argue.
The fate of battleship remains may rest in the hands of countries that don't own the ships.
Scientists find the signatures of war on the edge of space.