Among the trillions of microbes that live in the gut, one obscure bacterium has suddenly become a star of obesity research.

Paris summit warns about “mirror life.” Scientists call for early limits on mirror bacteria that could evade defenses and ...

For a small group of people, a night of “drinking” can start with nothing more than a bowl of pasta or a sugary snack. They ...

All life shares a single root buried deep in Earth’s past. Its name? Asgard, and it rewrites what we thought we knew.