The rise in infertility is not limited to humans, as environmental stressors are quietly undermining the reproductive ...

The University of Cincinnati College of Medicine is now home to a new zebrafish research facility. Researchers will use ...

Combined with rising temperatures, chemical pollutants are obliterating animals’ chances of successfully reproducing.

DNA switches that predate humans and Neanderthals still influence how people speak today, offering new clues about language ...

Over the past four decades, sperm counts among men worldwide have dropped by more than 50 percent, according to a 2022 ...

Human aging is not what natural selection failed to prevent. It is what happens when selection simply has nothing left to act ...

The evolutionary case for eating meat is etched into human anatomy — but so is the case against it. The science deserves more ...

For all of human history, reproduction has relied on a simple biological formula. Sperm meets egg. They fuse, they divide, ...

An effort to limit access to contraceptives and preach natural family planning and higher birth rates is taking shape under ...

Only two places in the world allow tourists to enter the water with the ocean’s apex predator. But the safety of both species ...

Should scientists intervene when faced with the possible self-destruction of a species? That question sits at the heart of ...