When scientists opened the doors of a research facility and let carefully bred lab mice loose into a fenced field, they ...

For generations, laboratory mice have lived and died under fluorescent lights, their world reduced to plastic cages and ...

Researchers found that lab mice that were released into a large, enclosed field were almost immediately less anxious.

A new study shows lab mice become less anxious after living outdoors, even reversing existing fear in just one week.

In recent months, the Food and Drug Administration and National Institutes of Health have announced new initiatives to reduce and replace animal testing in biomedical research. Central to these ...

A good deal of scientific research shows that mice and rats are bright, sentient, and deep emotional rodents. Yet they aren't even considered to be "animals" in the United States federal Animal ...