Many kinds of harmful invasive species enter and spread throughout the United States on land or in water through various pathways. Non-native plants, animals, algae, fungus, or disease-causing ...

A recent U.S. Environmental Protection Agency report concluded that 55% of United States rivers and streams ... visualizations of U.S. rivers and interactive maps you can play with (zoom in ...

The Sun's interactive map shows the US presidential election results as they happen, with our readers able to check which states are turning red or blue. The results of the presidential election ...