Discover all about Illinois, including its iconic flag, detailed map, vibrant cities, and what truly makes the Prairie State ...

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

The National Weather Service has sent out millions of extreme heat warnings, heat watches and heat advisory alerts this week, ...

Combining Union Pacific and Norfolk Southern into the first transcontinental railroad in the U.S. would create a 52,215-mile ...

This year's United Nations climate conference in November is in Belem, Brazil, a city facing high poverty and infrastructure ...

Much of the U.S. is under extreme heat warnings or advisories while New York, Philadelphia and Washington could feel like 100 degrees or more.

Multiple states are under extreme heat warnings, advisories or watches on July 23, according to the National Weather Service.

Domestic migration has changed over the past 10 years, as Americans chase better jobs, cheaper housing and a greater quality ...

Explore Nevada's rich history, from its iconic flag and diverse cities to its unique fun facts and current political ...

Finally, we'll figure out exactly what prohibits larger cities from establishing a permanent foothold on one of America's longest stretches of coastline with no major cities.

As the state of Indiana prepares for the future, plans of new data centers manifest across the Hoosier state. Some argue ...

Amtrak has revealed the current progress of almost 30 high-speed rail infrastructure projects as part of its July update on the Northeast Corridor. The map shows progress on headline projects like ...