Defense

Nations must agree on penalties with sharp teeth to discourage state-sponsored cyber attacks

The psychology of group dynamics goes a long way toward explaining what drives ordinary people toward radicalism

Seven enlightening studies from social psychology hold vital lessons for policy makers—and the rest of us

New estimates of the number of civilian deaths resulting from nuclear attacks by one superpower on the strategic forces of the other further undermine the rationale for such attacks

The U.S. may be committing itself to preparing for a war limited to attacks on military bases, with relatively few civilian casualties. Would the casualties really be few, and could the war stay limited?