Biologists are quietly rewriting what it means to be alive, and the human body has become one of their strangest frontiers.

A newly identified class of RNA molecules has been discovered in bacteria living inside the human body. These circular genetic structures, termed obelisks, differ from known viruses and bacteria and ...

CINCINNATI (WKRC) - Researchers believe they discovered a new type of life form living in the human body that were previously misidentified as viruses. According to a new study from bioRxiv that has ...

Oxygen played a key role in the evolution of complex organisms, according to new research published in BMC Evolutionary Biology. The study shows that the complexity of life forms increased earlier ...

(CN) — In a study published Thursday that details ongoing international efforts to combat certain incurable diseases, scientists made an open call for research involving viral vaccines and artificial ...