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

Parasitic worms that infect humans are not interbreeding with those that infect cattle as previously thought. This is good ...

Penguin poop is creating more clouds. Here’s how - Scientists say they’ve seen ammonia emitted from penguin poop result in ...

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