The U.S. now has at least 600 measles cases reported in 21 states, including Pennsylvania, according to an April 4 update issued by the Centers for Disease Control and Prevention. About 481 of these cases...

Fracking, or hydraulic fracturing, is a term that has been gaining national attention since the presidential debate Sept. 10, but many Americans are unfamiliar with what exactly it is. Fracking is a drilling...