Discover expert-backed tips to identify male vs. female bearded dragons and learn why sexing matters for proper care and long ...

By studying the genes responsible for the seahorse’s brood pouch, researchers uncovered a new route to “motherhood.” ...

A study reveals how seabream change sex and why some males invest more sperm, rewriting the hidden biology of these fish.

Explore the remarkable similarities and differences between sperm whales and giant squid, from size and behavior to diet and ...

In 2002, evolutionary biologist Jenny Graves shared a controversial calculation. The human Y chromosome, she wrote two years ...

For those who have not made the pilgrimage to Mecca, something may surprise. The men cry. Quietly and intimately, but obviously. Some are hard men from hard lands, but they’re not ashamed to do this.

Growing up, I vividly remember reading through nature-related magazines, fascinated by the vast numbers of creatures ...

Kudos to Santiago Ochoa for a shot ( CDN, Nov. 29, 2025) that captures the essence of this moment: a harried, worried immigration attorney conferring with an anxious client while Trump glowers down on ...

Gold Shaw Farm shows how to tell male and female ducks apart with ease.

Male bonobos are able to interpret female fertility cues even when those signals do not reliably indicate ovulation. This ability helps them direct their mating efforts toward times when conception is ...

The FishEye Collaborative combined underwater sound recordings with a 360° camera to identify the sounds made by individual ...

Scientists reveal Priocharax rex, a tiny Amazonian fish with a strange skin “wing” that redefines evolution in miniature.