A new study from the University of California, Riverside shows that even bumble bee queens, the sole founders of their colonies, take regular breaks from reproduction—likely to avoid burning out ...

Female anatomy was included only when it differed in obvious reproductive ways, often cloaked in language that presented the female form as a deviation or inversion of the male norm.

Sulfoxaflor, a systemic insecticide, causes impacts on reproductive behaviors and male fertility in the red mason bee species.

Yet a definition of biological sex put forth by U.S. President Donald Trump designates people as either male or female based solely on the size of the reproductive cells they make.

The study found that 93% of male humpbacks off New Caledonia showed no evidence of having sired offspring.

They're also all over the environment, including in our water and our food. Now, new research adds to concerns that they could be affecting male fertility. NPR's Will Stone reports.

The reproductive system refers to the organs involved in producing children. Learn more about the male and female reproductive system here.

This is the largest study to measure how much of these microplastics that permeate the water, food and even air end up in the most intimate recesses of male reproductive anatomy.

With an ever-increasing prevalence of obesity in the global population, it has become necessary to precisely understand the relationship between obesity and male reproductive dysfunctions.

Dr. Universe: What would happen to female honey bees if male bees didn’t exist? – Emmie, 12, Arizona Dear Emmie, ...

A research team used DNA sequencing to show that what we used to think of as two different species of bees are actually just the males and females of one, single species.