Inflammation in the female reproductive tract may make it difficult to conceive a child, but replenishing a key hormone could help.

Even though there are 8 billion people on Earth today, a catastrophe could send that number much lower within a few decades.

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

Changes to the landscape and pollution have harmed this vital ecosystem known as the ‘river of grass.’

Researchers have uncovered how a naturally occurring biological mechanism is able to prevent sperm cells from interacting with an egg.

New research focuses on the microplastic pollution that polymer-coated, control-release fertilizers generate.

“Based on our study, and other studies, air pollution is certainly [a] concern for those who are seeking to reproduce and conceive."

Manatees along Florida’s coast are eating less seagrass and more algae than they did a few decades ago. This dietary shift could pose a new threat to the survival of the beloved species.

The most comprehensive assessment yet of a powerful greenhouse gas shows which countries are driving the increase, and which ones are successfully cutting emissions.

The first "atlas" of the human ovary could lead to lab-created ovaries and treatments to help people have biologically related children.