Extreme heat warnings and heat advisories were issued across parts of the U.S. Southwest and Pacific Northwest on Friday.

In every city studied, at least 20% of the urban area is sinking – and in 25 of 28 cities, at least 65% is sinking. The nation's biggest cities are sinking, according to data from a new study.

Residents of cities in the Rocky Mountain and Southwestern US have the most cocaine usage nationwide, a new study found. Phoenix, Arizona, topped the American Addiction Centers’ list of highest ...

The cities included in the data were: Austin (Texas), Boston (Massachusetts), Cary (North Carolina), Chandler (Arizona), Charlotte ... St Paul (Minnesota). The map of U.S. states below shows ...