Add Yahoo as a preferred source to see more of our stories on Google. While experts say factual information is scant on whether Iran was building a nuclear weapon or even rebuilding their nuclear ...

Communities and servicemen have long argued they were harmed by fallout from above-ground nuclear weapons tests – but the UK ...

Social media-fueled fears of World War 3 have intensified with Trump's war powers tested in a House vote March 5 as the Isreal-US war with Iran steps up and questions ignite over whether Iran could ...

If a large-scale nuclear exchange ever occurred, the United States would face wildly uneven consequences depending on geography, wind patterns, and agricultural capacity. No federal agency publishes ...