Demonstrators crowded into streets, parks and plazas across the U.S. Saturday to rally against President Donald Trump as ...

U.S. Sen. and physician Bill Cassidy wagered that he could keep Health and Human Services Secretary Robert F. Kennedy Jr.

Know when to get screened for prostate cancer, which often doesn't have symptoms until it has progressed outside the prostate ...

Sir Ronald Ross's 1897 discovery of mosquitoes as malaria carriers revolutionized disease prevention and control methods ...