The United States Geological Survey has released a mobile-friendly interactive geological map of the lower 48 states and it's completely free to use.

The National Oceanic and Atmospheric Administration has issued a geomagnetic storm watch due to more coronal mass ejections.

A minor, 3.5-magnitude earthquake struck in the San Francisco Bay Area on Thursday, according to the United States Geological ...

A Newsweek map shows which U.S. states are gerrymandering congressional districts—or considering doing so—ahead of next year’s midterm elections. President Donald Trump’s call for Republican-led ...

Republicans and Democrats are scrambling across the country to revisit the maps and district lines that will shape the ...