Yellowing leaves in fall are normal for these six garden plants, including hydrangeas, hostas, ferns, and ornamental grasses.

Yellow jackets are social insects and very territorial in nature. A yellow jacket colony can get quite aggressive when disturbed. Moreover, they can sting multiple times when provoked. Their sting is ...

Primary sources from nineteenth and early twentieth century doctors show how far we've come in dealing with yellow fever.

Yellow Corp.—the third largest less-than-truckload carrier in the U.S.—plans to file for bankruptcy, the union that represents its employees announced Monday, leaving its 30,000 employees without work ...

Yellow fever is a mosquito-borne viral disease, primarily transmitted by day-biting mosquitoes. Twenty-seven African countries and 13 Latin American countries are classified as high-risk for yellow ...