If you’ve handled cat litter or eaten raw meat or unwashed produce, there’s a chance you might have a permanent toxoplasmosis ...

Male fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm ...

Infected male alpine tree frogs set about fathering far more offspring, helping avoid extinction in the wild – for now.

Designed to look and feel like real cats, the MetaCats purr, meow, and even respond to touch and voice with heart-shaped LED ...