Members of Congress exploded Thursday over reports that taxpayer money has paid for experiments using “transgender lab rats,” ...

Large rat populations can have a damaging effect on cities. Researchers found that living with rats " impacts people and ...

A House committee will hold a hearing this week scrutinizing whether National Institutes of Health animal research amounts to ...

A laboratory rat or lab rat is a brown rat of the subspecies Rattus norvegicus domestica which is bred and kept for scientific research. While less commonly used for research than mice, rats have ...

The Shoshone County Sheriff’s Office executed a search warrant at a residence in Pine Creek on Tuesday morning, leading to the discovery of a significant methamphetamine manufacturing operation.

Mice do not necessarily fully use large, barren cages ... T.H. Operant studies to determine the strength of preference in laboratory rats for nest-boxes and nesting material.

When they arrived at our local animal facility, the males were about 1 month old and were housed in groups of five individuals in large plexiglass cages with free access to laboratory rat pelleted ...