Scientists are trying to understand how complex life emerged on Earth about 2 billion years ago. Our microbial ancestors could be the key.

Beneath our feet, beyond the reach of sunlight, and buried in the most unforgiving corners of the planet, an unseen world thrives. Though these environments may seem desolate, and devoid of warmth, ...

The "hygiene hypothesis" suggests exposure to diverse types of microbes may protect against developing diseases caused by allergens, but a new Cornell University study in mice reveals that adults' ...

Certain types of microbes found in the human gut can absorb toxic “forever chemicals” from their surroundings, a study has found. When scientists introduced the microbes into the guts of mice to ...