Tropical Storm Chantal grew in strength as it approached the southeast U.S. coast. It's forecasted to bring heavy rains to ...

Advisers to the Centers for Disease Control and Prevention recommended against flu shots containing the ingredient thimerosal ...

How will the Trump administration's cuts to HIV research impact the progress that's been made towards ending the epidemic in the U.S.?

An NPR journalist in Gaza describes his experience seeking food from a site run by private American contractors, facing Israeli military fire, crowds fighting for rations, and masked thieves.