Competition for mates between prehistoric human women may have contributed to 'concealed ovulation' – a lack of any notable physical clues that a woman is fertile, experts say. Using computational ...

I love science, and you should, too, if only because it provides us with the best (perhaps the only) way of genuinely knowing the world. But as a scientist, I also love what we don’t (yet) know.

Human females rely on aids like charting, test strips or wearable tech to identify periods of fertility. Some animals, like baboons, undergo obvious physical changes during ovulation. How did ...

Ready or not, here comes my final speculative post exploring the evolutionary conundrum of why our species conceals ovulation. Maybe the ultimate evolutionary benefit from concealing ovulation had ...

DAVID P. BARASH, an author and a professor of psychology at the University of Washington, is working on a new book, "Womanly Mysteries: A Darwinian Look at What We Don't Know About the Female Body." ...

When it comes to men, do women use their gait as bait? When a woman is ovulating, watch out. In keeping with the evolutionary aim of reproductive success, whether she likes it or not, she will be ...