WASHINGTON -- New research shows a small but diverse community of bacteria lives in the placentas of healthy pregnant women, overturning the belief that fetuses grow in a pretty sterile environment.

Kidney stones have plagued humans since antiquity, yet despite our long history with them, we've apparently overlooked a key detail about the most common type, a new study finds. According to the new ...

Doctors have long been warned to go easy on antibiotics and sulfa drugs. When used with routine frequency, such germ killers may defeat their own purpose by leading to ever more resistant germs. Now ...

Q: I am a kindergarten teacher and wonder how long germs can stay alive on toys. Can a germ lie dormant on a toy for long periods of time, or will a germ die shortly after contact with an object? We ...

Germs are all over common restaurant surfaces, but this one item tops them all. Here's how to protect yourself from getting sick. Picture it: You’ve just been seated at your favorite restaurant.

During cold and flu season, sickness is commonly spread through coughing, sneezing and even touching surfaces. One of these surfaces that germs can live on: your clothing. “Your clothing is porous and ...

In a cave in Romania, scientists found a bacterial strain entombed in ice that is resistant to 10 modern antibiotics. But it may also help fight superbugs.