The United States has one of its six West Coast-based aircraft carriers operating in the Western Pacific Ocean again ...

A map has shown an underwater fault line that could trigger a catastrophic earthquake that could cause a 100ft tsunami with ...

By 1830, there were more than 2 million slaves in the United States, worth over a billion ... the lower South to less desirable land in the West, thus opening roughly 25 million acres to cotton ...

If you see your reflection in the snow covered hills, it might be time to check out a new map from the United States Geological Survey. The map reveals that a surprisingly large part of the country is ...

The peak of fall foliage can start as early as September, and most locations will peak in either October or November.

About 65 million people are under heat alerts including in Phoenix, Las Vegas, Los Angeles, Sacramento, Portland and Seattle.

Arizona, California, Florida, Maine and New Hampshire experienced their warmest June-August periods on record.

The National Hurricane Center is tracking three systems in the Atlantic basin as the remnants of Francine make their way farther north, according to the latest advisory.

Extreme late-season heat is plaguing the West Coast from Los Angeles to Seattle ... County Department of Public Health. This weather map shows the latest alerts for the September heat wave ...

Could we see Tropical Storm Helene? Potential Tropical Cyclone brings heavy rains and wind, but may not strengthen before ...

Extreme Weather Maps: Track the possibility of extreme weather in the places that are important to you. Heat Safety: Extreme ...