Phages that die during bacterial invasion help other viruses defeat the microbes’ immune responses.

Scientists have found a previously unknown virus in Myanmar.

A Florida teenager is the first person with a confirmed infection by the mosquito-borne virus.

Photosynthesis can happen in more than one way.  

What we can know about biology before the last universal common ancestor is limited—and we should be circumspect in filling in the gaps.

They may be a prospective source for an influenza pandemic, researchers warn.  

The results suggest the virus could severely alter brain development in infants infected after birth, but blocking a signaling protein early on might ease certain symptoms.

Compared with their urban counterparts, babies and toddlers in rural Nigeria have gut microbiota that more closely resembles that of adults in their community.

The discovery of copious new archaeal species is shedding light on the tree of life and revealing some unique cellular biology.