The map is the first to include all 50 states in a single USGS assessment, and it shows risk in some places that weren't highlighted before. Mark Petersen, a USGS geophysicist who led the mapping ...
The widely circulated map highlights the areas most likely to be struck in a nuclear assault. It pinpoints potential targets ...
A groundbreaking map reveals potential underground hydrogen reserves across the US, offering new insights into clean energy resources.