With its varied landscapes and particularly well-preserved parks, the American West Coast is an exciting playground for ...

The new map displays the potential impact of a large-scale nuclear attack on the United States, with 250 million immediate ...

Several counties across the United States, especially on the West Coast, will continue to be affected by dangerously cold temperatures on Sunday and over the coming week, according to the National ...

A brutal heat wave across the eastern United States trapped millions of people in sweltering air this week with record-high ...

The U.S. Coast Survey map calculated the number of slaves in each county in the United States in 1860. Library of Congress In September of 1861, the U.S. Coast Survey published a large map ...

Four years before the attack on Pearl Harbor, the Los Angeles Examiner published this full-page map by artist Howard Burke, outlining a potential Japanese strategy for attacking the West Coast and ...

Atmospheric rivers are drenching the West Coast with heavy rain, winds, and snow throughout the week, experts say, after the region evaded a brutal winter storm that slammed most of the United ...

The map below, from the EPA's air-quality monitoring website, shows a band of dangerous PM2.5 pollution along the West Coast (similar to what PurpleAir is reporting).

The wildfires across California, Oregon, Washington and other Western states have killed dozens, destroyed thousands of buildings and left a thick layer of smoke across the West Coast and beyond ...