What they bring back may help us get to the bottom of public health problems on Earth, like antibiotic resistance and infectious disease spread.

Probiotics containing Lactobacillus gasseri Lg-36 prevented C. difficile infections in mice, but L. acidophilus probiotics made infection more likely.

Intestinal bacteria are important for human health as they help digest food and regulate immune function. Thus, in recent ...

The bacterial ecosystem hiding in your socks - and what to do about it - Next time you peel off a sweaty pair at the end of ...