The tornadoes, dust storms and wind-fanned wildfires have led to at least 40 deaths across the United States this past week.

An curved arrow pointing right. NASA's Curiosity rover snapped images of dust devils, small Tornados, on the surface of the red planet. The images paint a strange, eerie atmosphere. Video courtesy ...

When air is forced down and pushed forward by the front of a traveling storm cell, it transports dust and debris, according to the National Oceanic and Atmospheric Administration. Winds of speeds up ...

It's like Mars in Fort Worth, #Texas, where a raging dust and sand storm has darkened the sky and blocked visibility, with winds of more than 60 mph lashing the Dallas-Fort Worth metropolitan area.

Meteorologists have issued stern warnings for a slew of dangerous weather that's gearing up to deliver myriad threats to the ...