A neurological disease spread by rats and other animals may have become established in San Diego County.

One study found that rats emitted ultrasonic vocalizations when they were subjected to manual somatosensory stimulation, i.e., tickling. The results of this controversial research were published in ...

Conservationists hope a smelly plan to reintroduce Australian bush rats into a nature reserve in Sydney this weekend could ...

A new study is linking brain behavior to silly playtime practices. And they have lab rats laughing out loud to prove it.In the video above, you can hear tiny high-pitched giggles from a rat being ...