Population Center of the United States
Every ten years, the U.S. Census Bureau maps out the mean and median population centers in the United States.
Caitlin Dempsey
What is the Difference Between the Continental and Contiguous United States?
Continental and contiguous are two geographical words used to describe parts of the United States.
Canada Geese Migrate Less from Urban Areas
With the expansion of urbanization, more Canada geese are becoming year round residents instead of migratory.
Earth at Night
Nighttime lighting is when the effect of humans on the environment is especially pronounced.