The human cells, engineered to respond to blue light, influenced rat behavior when stimulated.

The findings likely have implications for animal research far beyond the study of antidepressants.

A quintet of research papers, all involving subjecting newborn piglets to brain damage, have been retracted because the data can’t be substantiated.

A bacterium that produces an insulin-like peptide can give mice type 1 diabetes, and infection with the microbe seems to predict the onset of the disease in humans, a study finds.

A team of scientists has found that in mice, a cellular housekeeping pathway protects against a major cause of heart attacks and strokes.

As a former committee member who now advises PETA, I believe that claims that the identities of committee members must be kept secret to protect their safety are unfounded.

The shift is likely to add to an ongoing shortage of primates used in labs, which could slow progress in future COVID-19 vaccine development and other areas.

The prolific science communicator specialized in studies of vision and brain plasticity and was the focus of threats from animal rights extremists for several years.

An odorant found in the pee of pregnant mice—and in bananas—induces stress but also relieves pain in male mice, a study shows.

Two recent court rulings shine a light on the disturbing tactics used by some activists to target biomedical researchers who study animals.

When unexpected events occur, norepinephrine signals mouse brains to pay attention to key details.

A Harvard Law School lawsuit filed on behalf of animal welfare organizations accuses the United States Department of Agriculture of offloading the burden of inspecting animal research sites to a private third party, resulting in a system that the lawsuit describes as largely self-policing and less rigorous.

Researchers find a way to wipe out the brain’s immune cell corps and send in new and improved versions.

The Scientist spoke to Mount Desert Island Biological Laboratory’s Jim Strickland about the institute’s new MDI Bioscience initiative to perform more drug testing and development in nonmammalian models.

New research reveals where the virus was hiding and hints at how to truly purge it from the body.

This University of California, Santa Cruz, biologist is dedicated to her marine mammal research, as well as to making the field more diverse and equitable.

The Australian biomedical research community is stunned by the announced wind-down of the country’s biggest supplier of mice and rats.

The agency moved to scale back its monitoring in 2019 in a way that experts in animal welfare law say was secretive, Science reveals.