New tick-borne bacteria discovered in dogs in the US, Rickettsia finnyi, is very similar to canine spotted fever.

The gut bacterium Bacteroides fragilis has long presented researchers with a paradox. It has been associated with colorectal cancer, yet it also lives quite happily in most healthy people. A study by ...

In Romania’s Apuseni mountain range, one cave maintains a body of perennial ice, about the size of an apartament building.

Deep inside a Romanian ice cave, locked away in a 5,000-year-old layer of ice, scientists have uncovered a bacterium with a startling secret: it’s resistant to many modern antibiotics. Despite ...

Researchers created an oral cancer vaccine using a food poisoning bacterium that helps the immune system detect and attack colorectal tumors.

Purdue Biologist Stanton B. Gelvin explained how Agrobacterium moves DNA into wounded plant cells, and why cracking that “black box” matters for agriculture during a seminar Wednesday afternoon at the ...

Affecting roughly half a million Americans each year, bacterial infections caused by Clostridioides difficile—commonly known ...

A bacterium that infects roughly half the world’s population, often without producing symptoms for decades, may be responsible for the vast majority of stomach cancer cases projected to occur in the ...

Six deaths have now been associated with an "ongoing outbreak" of a Burkholderia stabilis found in four non-sterile alcohol-free wipe products.

A potentially deadly type of bacterium previously found only in parts of Southern Asia, Africa or Australia has been detected for the first time in soil and water samples in the U.S., the Centers for ...

Researchers from the University of Sydney and the Centenary Institute have discovered how a promising class of experimental ...

Scientists have discovered the world's largest bacterium in a Caribbean mangrove swamp. Most bacteria are microscopic — but this one is so big it can be seen with the naked eye. The thin white ...