Rats seem to emit ultrasonic squeaks of happiness just because they are in the company of another rat. Using newly developed miniature microphones that were placed on rats’ noses, scientists have been ...

A disease associated with squalor could be on the increase in suburban homes because more people are keeping rodents as pets, warns an Australian microbiologist. Known as rat bite fever, the disease ...

Pet rats are intelligent, social, and affectionate companions that make wonderful additions to many households. Despite common misconceptions, these small rodents are clean and trainable and bond ...

The earliest documented evidence of domesticated rats originates from Japan and dates back to the Edo period (1603 to 1868). The tradition of keeping fancy rats may have originated in Japan, but pet ...