How safe is the U.S. if an attack were to occur on our soil? Could Florida be a potential target? Here are some speculation and scenarios.

USA TODAY reporters teamed up with a nuclear weapons historian to bring you the Nuclear Sponge series.

What happens if US nuclear missile silos are attacked? Can a modernized "nuclear sponge" reduce risk?

America's 450 nuclear missile silos exist, at least in part, to be destroyed in a nuclear attack. USA TODAY breaks down the debate over their future.

There's a lot going on in the world that is raising concerns among some Americans. There's the ongoing four-year conflict between the Ukraine and Russia. There's continued unrest in the Middle East, ...