To communicate, domestic cats send signals to each other using odors derived from families of bacteria living in their anal glands.

An investigation into pit latrine microbes could offer ways to improve public health and reduce greenhouse gas emissions, say researchers.

Agriculture can produce pathogens from animals, but it can form barriers that help block their spread, an article argues.

Squash bugs carry a gut bacterium that's key to their development into adults, but don't have it as nymphs. New findings reveal how they get it.

During drought, soils release more volatile organic compounds into the atmosphere, researchers report.

"Think of it as Earth's skin," says Jon Chorover of the critical zone. "It's sometimes termed the zone where rock meets life."

Researchers simulated the conditions hypothetical lifeforms would have encountered on Mars 4 billion years ago.

Bacteria and fungi can join forces to form "superorganisms" that sprout "limbs" to walk and leap across teeth, researchers have discovered.

How do you know which dietary fiber supplement is best for you? It doesn't really matter, experts say. Just get more of it.

Newly discovered microbes may give scientists a blueprint for the kinds of potential life forms that could exist on Mars.