Oh Great, Eating Fast Food Might Wreck Your Sperm Count

Pizza and jalapeño poppers: great for a late-night drunk snack, not so great for your little swimmers, a study says.


Scientists Flew Sperm In Microgravity to See if Babies Could Be Born In Space

“In the future, having gametes and embryos stored in a bank outside the Earth will be very important.”


The Complex Ethics of Saving a Dead Person's Sperm

People are retrieving (and using) sperm from loved ones who've died. Is that OK?


Healthy Monkey Born From Frozen Testicular Tissue

The success could offer new hope for young men facing infertility due to childhood cancer.


The Plan to Seed Life on Alien Planets

The 50th anniversary of "Earthrise" is the perfect opportunity to think about sending Earth's life to the stars.


Here’s How Your Diet Affects the Health of Your Sperm

If you’re looking to hear the pitter-patter of tiny feet in the not-too-distant, you may want to consider getting some more of the following into your diet.


Climate Change May Practically Sterilize Male Insects

Male reproductive damage under heat wave conditions could be contributing to biodiversity declines in the Anthropocene.


We Looked Into Whether Tight Underwear Is a Sperm-Killer

Whether you’re a laid-back boxers-wearer or an uptight fan of briefs, the choice may have an influence on your sperm health.


Orgasms Can Relieve Hiccups, Migraines, and Help Men Live Longer

And, shocker, there's scarce research on what they do for women.


How Cocaine Affects Your Dick and Sperm

Do enough coke and it can cause priapism—a persistent, very painful erection.


How to Last Longer in Bed, According to Male Porn Stars

Advice from pros on how to avoid being a One Minute Man.


When Women Bear the Burden of Infertility to Protect the Male Ego

I went through two rounds of treatment over several months before we took a closer look at my husband.