Shifting their role, US Army Rangers linked up with a little-known unit to practice taking down an adversary's nuclear sites.

Federal authorities are investigating bomb threats that disrupted voting in several battleground states. U.S. intelligence ...

Bomb threats that U.S. officials linked to Russian email domains disrupted what was generally a smooth voting experience ...

Polling places in Democratic-leaning areas of five swing states received bomb threats that officials said likely came from ...