We ran rats through this extensive battery of behavioral and biological tests, and what we found was that when we look at all ...

Cue the Jurassic Park theme song: Scientists in Switzerland appear to have pulled off a remarkable feat, creating sterile and seemingly healthy mice that can produce the sperm cells of a rat. These ...

The study of thermoregulation and exercise physiology in male rats continues to offer pivotal insights into the metabolic and neural processes underlying physical performance and thermal balance.

Common insecticides harm sperm in rodents and may pose risks for human fertility. Simple steps can lower exposure, but key questions remain.

Rats can’t vomit. This may be a function of their anatomy—their stomachs are “not well structured for moving contents towards the esophagus” is how one study delicately put it—or it may have something ...

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