Scientists say localized bursts of rain in the U.S. Southwest during the monsoon season in summer have become more intense since the 1970s as the atmosphere heats up due to human-caused climate chang...

A massive dust storm swept through the Phoenix area on Monday afternoon, engulfing the city in an ominous, thick wall of dust and reducing visibility to near zero.

The storm caused temporary disruptions at Phoenix Sky Harbor International Airport, with the heavy rain and wind causing leaks in terminals that crews worked into the night to repair.