Cities like Boston and Chicago celebrate the day with parades, river dyeing, and cultural events, attracting millions of ...

According to the ranking in IQAir's 2024 World Air Quality Report, these are the 10 U.S. cities with the worst pollution in ...

Populations rose in many US cities last year. The two fastest-growing metros were in Florida.

Two dozen US cities are at risk of going underwater as sea level rises and land sinks. A new map by Virginia Tech researchers ...