Microbes move across the planet, linking ecosystems and spreading genes that shape antibiotic resistance, health, and biodiversity.

A bacterium living quietly in the intestines of a tiny tree frog has done something cancer researchers spend careers chasing: it wiped out established tumors in mice with a single treatment. The ...

Almost all eukaryotic organisms, from plants and animals to fungi, can't survive without mitochondria -- the 'powerhouses of the cell,' which generate chemical energy using oxygen. However, a new ...

Single-celled organisms have managed to make a home almost everywhere, including inside many animals' guts and in nearly all of the world's environments, from hot, geothermal vents to the cold ...

For people with autism, constipation, diarrhea, and abdominal pain often go along with the social struggles and repetitive behaviors that define the condition. This has prompted many to wonder whether ...

Feces don’t get enough credit as food. The stinky stuff is not just an end product after food gets eaten, digested and finally discarded by animal guts. Poop can also be something nutritious, useful ...