Hearing "Code Brown" at Walmart can be confusing, but here's what the store code means and how employees should respond to it ...

Major League Baseball is restricting iPad usage in dugouts to prevent artificial intelligence from influencing decisions.

A maroon Air Quality Index indicates a health warning of emergency conditions, as everyone is likely to be affected.

Maryland is under a Code Purple Air Quality Alert today, as smoke from several Canadian wildfires creates hazy and unhealthy conditions.

What are "Code Red" and "Code Purple" air quality alerts? The Air Quality Index has six color-coded categories, ranging from ...

Philadelphia has declared a Code Purple Air Quality alert on Friday, as wildfire smoke from Canada continues to blanket the ...

Maryland is under a Code Red air quality alert as wildfire smoke moves into the region, with Code Purple conditions expected ...

Wildfire smoke from Canada and Minnesota has led to a Code Purple alert for Pennsylvania on July 17. See the air quality map.

Air quality alerts can change quickly during wildfire smoke events. Here’s what Code Orange and Code Red mean, who is most at ...

Air quality alerts can change quickly during wildfire smoke events. Here’s what Code Orange, Code Red, Code Purple and Code ...

The heat isn’t the only ongoing atmospheric problem, meteorologically speaking.

Shares of IBM are sliding before the market open on Tuesday as the company provided preliminary second-quarter results that are below Wall Street’s expectations. International Business Machines said t ...