Paget Brewster is once again a series regular on 'Criminal Minds'

Paget Brewster's brief return to "Criminal Minds" will become an extended stay.

Could one discovery take on 3 deadly parasites?

At first look, three particular tropical diseases could seem unrelated.

Study: Public water supply is unsafe for millions of Americans

Millions of Americans may be drinking water with unsafe levels of industrial chemicals, known as polyfluoroalkyl and perfluoroalkyl substances.