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

When I taught introductory and advanced courses on animal behavior, many students woke up when I talked about the sex lives of a wide variety of animals. While there were a good number of books that ...

Earth’s earliest animals may have held evolution back because they reproduced asexually, creating low-competition communities that changed very little over time. When environmental pressures pushed ...

Nan Schaffer, a veterinarian who pioneered the study of rhinoceros reproduction, devoted her career to understanding and overcoming the biological barriers that kept captive rhinos from breeding as ...

WASHINGTON (AP) — Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatures ...

From the depths of the ocean to the forest floor at night, some animals can do something that seems almost magical: they make their own light. This phenomenon is known as bioluminescence. But glowing ...

This shocking debut exposé from environmental lawyer Civiletto details more than a century of the electrochemical industry’s poisoning of Niagara Falls, N.Y. Born and raised in Continue reading » Man ...

A humble mollusk can live to 507. The oldest Greenland sharks navigate deep, dark Arctic waters for longer than America has existed. And the wrinkly, cancer-resistant naked mole rat can live well into ...

The 28-year-old teacher tells PEOPLE her students "absolutely loved" bringing in their stuffed animals to class Georgia Slater is a staff editor on the Parents team at PEOPLE. She has been working at ...

One third-grade teacher is making memories that her students will cherish for a lifetime. Kelsie Lynn, 28, tells PEOPLE about a special moment she shared with her students after allowing them to bring ...