Add Yahoo as a preferred source to see more of our stories on Google. Red imported fire ants – known as RIFA – are spreading throughout the southern U.S., and if there are enough nests in an area, ...

Each kind of commercial and emergency vehicle follows a certain color code or symbol. For instance, you will find a snake symbol on almost all ambulances, and the color of the school buses is always ...

It’s a milit-ant takeover. Red fire ants have finally made the pilgrimage to Europe — and are threatening to take over the continent, according to a new study. The tiny insects — considered one of the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The number of ...

Add Yahoo as a preferred source to see more of our stories on Google. Authorities battling a series of large wildfires in the Los Angeles area have employed a bright red fire retardant to tamp the ...

One of the most invasive species in the world is Solenopsis invicta, a red fire ant species with a painful sting. Native to South America, the ant has established itself across the globe. In an ...

The yellow crazy ant (Anoplolepis gracilipes) ranks among the world’s 100 worst animal pests because of its impacts on agriculture and biodiversity. The red imported fire ant (Solenopsis invicta) ...