Scientists have discovered a rare red-coloured bacterium in an Antarctic lake that can survive extreme cold and intense UV radiation. The microbe could have important applications in biotechnology, ...

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 ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

When a bacterium becomes resistant to one antibiotic, it may sometimes become more sensitive to another. This biological side ...

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 ...

Ancient bacteria trapped in Romanian cave ice for 5,000 years shows immunity to 10 modern antibiotics, revealing resistance ...

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

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new ...

A mysterious form of plague that spread across Eurasia thousands of years before the Black Death has finally revealed a ...

A super-tough microbe may be able to survive being blasted from Mars into space—opening the door to interplanetary life transfer.