Males of the species Drosophila melanogaster pack thousands of almost two-millimeter-long sperm cells into significantly smaller storage organs. A new study reveals how they move in an orderly manner ...

Starting one's sex life and having children at a young age can run in the family. But can pregnancy have beneficial health ...

Clinical data reveals male factors contribute to half of all infertility cases, shifting the focus toward earlier ...

Learn more about menarche, a mark on an ancient femur bone, and how it can help us understand the reproductive beginnings of ancient women.

The primary hormones influencing women's health include estrogen, progesterone, and testosterone. While often associated with ...

A tiny set of ancient genetic “switches” may have played a surprisingly large role in making human language possible. Researchers found that these DNA regions, which act like volume controls for genes ...

The airline also has an AI tool to help passengers catch connecting flights Christopher Edwards is a writer on the Lifestyle team at PEOPLE. He has been working at PEOPLE since 2026. His work has ...

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...

When people talk about living on the Moon or Mars, the conversation usually jumps to air, water, food, and radiation. But there’s another question sitting in the background: if humans ever truly ...

Autonomous AI is rapidly changing how organizations approach complex tasks. These systems can plan, reason, and adapt to new situations without constant human intervention while operating under strict ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Humans don’t have a defined mating season like deer or wolves. Here’s how evolution rewired ...