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.

Many add-ons lack high-quality scientific evidence demonstrating improved live birth outcomes in the general IVF population ...

Females carry two X chromosomes, and males carry one. Therefore, if Neanderthal males and modern human females were mating ...

A study said that Neanderthal men and human women were particularly inclined to mate, a sexual habit that offers insight into the evolution of the modern human genome.

Do snakes lay eggs? Yes! But, it may surprise or fascinate you to learn that many species of snakes give live birth.

LANDER — "We have met plenty of women who are in this little gray area that don't qualify for pregnancy Medicaid for one ...

Baby dinosaurs weren’t coddled like lion cubs or elephant calves—they were more like prehistoric latchkey kids. New research ...

The Atacama Desert is one of the driest places in the world. Some areas get very little rain each year. The soil is salty, and in some places it even contains harmful elements like arsenic.

From the traditional types of jutsu from Naruto to the game-changing shinjutsu from Boruto, uncover all the mysteries behind ...

Q: Over the past couple of years I’ve been battling severe anxiety and depression. These feelings are bad enough, but I’m concerned that I’m making life difficult for my wife ...

When I first heard rumblings that the world had assembled a conclave to elect a new celebrity zoo animal, I felt preemptively ...

"At first, I kind of laughed … But they were serious. I could just see the seriousness in their faces." In this book excerpt, Lise Barnéoud explores the limitations of DNA testing.