Lady Gaga fans gathered on Saturday (May 3) as Rio de Janeiro's Copacabana beach transformed into a music venue ahead of the ...

In the 1930s, workers bored a 13-mile tunnel beneath Mt. San Jacinto. Here's a look inside the engineering feat that carries Colorado River water to Southern California.

utilizing sound science as we advance our mission of protecting human health and the environment." The American Dental Association has voiced support for fluoridating drinking water and expressed ...