When California declared the San Bernardino kangaroo rat an endangered species recently, conservationists rejoiced. The state designation seemed to promise stronger protections for the tiny, ...

Researchers have identified the mechanism for why and how one brain region differs in size between male and female rats. The study found that immune system cells in the brains of females consume and ...

A patrol of rookie rats show they are man’s best friend after being trained to scent TNT on minefields ...