The tiny Amazon molly (Poecilia formosa) has always fascinated researchers because, according to the rules of evolution, it shouldn't have survived as a species, let alone thrive as a species for over ...

Microglia (immune cells) and the RANK protein are essential for triggering puberty and maintaining fertility in the brain.

You will be redirected to our submission process. Reproduction forms the foundation for the sustainability of fish populations, driving both the productivity of global aquaculture and the conservation ...

A recent study published in the American Journal of Human Biology suggests that a genetic preference for immediate rewards is linked to less education and earlier parenthood. This provides evidence ...

The Amazon molly reproduces without sex. A genomic copy-and-paste trick called gene conversion may explain how it avoids evolutionary meltdown.

On Friday, March 20 from 12-1 p.m., the Center for Dairy Excellence will host a free “Protecting Your Profits” webinar titled “The Missing Metric: How to Calculate Your Dairy’s Biological and Economic ...

How many kids is too many, or too few, for your health? Science may finally have an answer, and it's not what you'd expect.

You will be redirected to our submission process. DRAFT Reproductive success depends on precisely coordinated molecular and cellular signaling across sperm function, oocyte maturation, fertilization, ...

A UNSW-led study found overall invasive cancer rates in Australian women were no higher after fertility treatments including IVF. Some specific cancers were slightly more common, while others were ...

In Lake Malawi, hundreds of species of cichlid fish have evolved with astonishing speed, offering scientists a rare opportunity to study how biodiversity arises.

A new study shows that as humpback whale populations recover from past whaling, older males are gaining a major advantage in reproduction. Early in the recovery, breeding groups were dominated by ...

Humans don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life into year-round intimacy.