Cat pooping and vomiting can be alarming. Find out the causes and solutions to help your cat recover with our comprehensive guide.

Toxoplasma gondii, a parasite spread by cats, can shred human sperm and may be an overlooked factor in declining male ...

FERTILITY rates appear to have been declining in both men and women globally – and now scientists have found a common ...

Infectious diseases such as gonorrhea or chlamydia are often overlooked factors that affect fertility in men. Accumulating ...

In a 2014 Nature paper, Ralston described this awkward process — trogocytosis, or “cell nibbling.” It was a revelation at the ...

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

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

In the depths of the San Lázaro rock-shelter in Segovia, Central Spain, archaeologists from the Complutense University of ...

From fleas to mosquitoes, there's no shortage of organisms we like to consider pests – and, not surprisingly, the majority ...

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