Scientists found that a drug-resistant bacterial strain recently evolved to make an antimicrobial compound that kills off competitors.

Studies in animals and human retina-like tissue suggest that peptide eye drops could help preserve light-sensitive cells to slow vision loss.

Researchers found that a protein made by tiny creatures called tardigrades can protect mouse and human cells from radiation damage.

Scientists developed a compound that appeared to relieve pain in mice without adverse side effects.

Researchers found evidence that the human immune system can produce antibodies to neutralize diverse norovirus strains and types.