The human microbiome is essential to our health, but scientists have only begun to understand why. Two researchers set out to ...

Add Yahoo as a preferred source to see more of our stories on Google. So what exactly are probiotics? The most widely accepted definition of probiotics comes from the World Health Organization, which ...

Yet most of these microbes have never been named, let alone understood. That gap is now shrinking. The change comes in part ...

All bacteria exist as single cells at some point in their lives – except for one kind, known as multicellular magnetotactic bacteria (MMB), that is. Scooped from the sulfide-laden sediments of a tidal ...

Physicians have relied on a class of antibiotics called polymyxins to fight potentially life-threatening Gram-negative bacterial infections for more than 80 years. These drugs are typically reserved ...