Coventry officials shared a photo of a tree they say was hit by lightning Tuesday evening. The tree, near the intersection of Swamp Road and Brewster Street, was seen in the photo shared on Facebook ...

Everyone knows that red means danger, but how did purple become a cautionary color? At an EPA conference in the late 1990s, attendees nearly came to blows over color coding on the Air Quality Index.

Wildfire smoke from Canada helped give the sun and moon a red-orange tint overnight into Tuesday, Mike Bettes, a Weather Channel meteorologist, told CBS News, noting that they appeared red in ...

Millions of Americas affected by wildfire smoke are focusing on the colors red, purple and maroon on the Air Quality Index charts. Red used to be the scariest color. Why did that change?

According to the National Forest Service, the red smoke is a mix of fire retardant chemicals used to safely contain wildfire flames. The exact chemical makeup of the fire retardant varies, but the ...

As wildfire smoke from Canada descends on the northeastern U.S., many Americans are getting local alerts from the Environmental Protection Agency’s AQI. Here’s what all those colors mean.

During the summer when wildfire smoke takes over the skies, you’ll often notice the dreary haze during the day. But at night, the sun seems to display extra vibrant colors, making for ...

Finally, the Chieftain PowerPlus Dark Horse, priced at $28,499, is available in Sunset Red Smoke, Blue Dusk, Black Smoke, and Ghost White Metallic Smoke colors. The Roadmaster PowerPlus Indian ...

The color of the smoke indicated that nitrate-containing compounds, or perchlorates, were present at the site of the explosion, they said. Perchlorates and some nitrates can be used for rocket ...

The White Stripes have shared a music video for "Red Rain" to commemorate a 20th anniversary reissue of Get Behind Me Satan.

Now, they use a mixture of potassium perchlorate, anthracene and sulfur to color the smoke, according to the Vatican. Historically, the election ballots are burned with this mixture, a practice ...

For white smoke, the Vatican says it used to use wet straw, but to make it a more pure color, instead of a confusing grey, they use potassium chlorate, lactose and a tree or bush resin called ...