Scientists found an unexpected viral hitchhiker lurking inside a common gut bacterium – and it was twice as prevalent in people with colorectal cancer.

Antibiotic resistance is rising fast, killing tens of thousands each year in the U.S. alone—and scientists are racing to find ...

Against measles’ 12-18, smallpox – one of the most feared and deadliest diseases humanity faced, until it was eradicated – had an R 0 of 5-7. Polio is about the same, while the Ebola virus that caused ...

In a new study, published in Cell, researchers describe a newfound mechanism for creating proteins in a giant DNA virus, comparable to a mechanism in eukaryotic cells. The finding challenges the dogma ...

For decades, biology textbooks have drawn a firm line: viruses are not alive. They lack the machinery to reproduce on their own, they carry no metabolism, and they depend entirely on host cells to ...

Something is stopping Dry Lake Valley’s golden eagles from reproducing and killing raptors that fly in to fill the void.

Survival of the fittest. Nature red in tooth and claw. The common view of natural selection is based solely on the individual: A trait allows an organism to out-compete its rivals and is thus passed ...

It’s also worth noting that antibiotics can kill off gut microbes, which is why it’s important to use them only when they’re ...

Microbiologists Patrick Moreira and Purificación López-García, together with virologists Arturo Ludmir and Lynn Enquist, are at the center of a sharp debate over whether viruses count as living ...

Urban expansion brings wildlife closer to people, creating new pathways for viruses to spread from animals into human communities.

Norovirus has fallen under the spotlight in Hong Kong following a series of food poisoning cases linked to raw oysters in eateries since January, with the latest incident added to the list taking ...