A combination of visual stimulation and chemical growth promotion leads damaged retinal nerves to regenerate in mice.

Federal regulators also revoked a certificate for the company’s Newark, California lab.

A study in roundworms hints at how the drug may exert therapeutic effects.

Virologists challenge the hypothesis that mimiviruses possess a nucleic acid defense mechanism.

An analysis of the widely used technique calls into question the validity of 40,000 studies.

Sexual transmission more common than thought; NIH to track infections among Olympians; Zika-related birth defects draw attention to another common virus

A team of scientists confirm Wolbachia can prevent mosquitoes from transmitting the virus, while another group finds a reliable way to detect the bacteria.

Rather than providing complete protection, the long-awaited vaccine merely delays infection by a few years, scientists show.

A new point-of-care diagnostic enables viral detection at low thresholds.

Remnants of fires indicate modern humans may have lived around the same time as Homo floresiensis.

Researchers infect rhesus macaques with the virus to better study its effects in humans.

Reptiles, birds, and mammals all produce tiny, bump-like structures during development.