In the animal kingdom, penises can be spiked, split, corkscrewed—even detachable. They're one of the most diverse structures ...

Discover how reindeer brave freezing tundras with hollow fur, spiked hooves, and brains built for icy survival.

Mystic Aquarium has installed a computed tomography scanner, enhancing its ability to care for aquatic animals.

As Girlguiding announces it is excluding trans girls from its membership, one family’s story reveals the fear and pain of a ...

Researchers have recorded rare footage of animals whose bodies are so transparent they appear to vanish in open water. These ...

It's a boy! This is such a sweet and simple way to celebrate a rescue pet, especially if they don't get to observe their ...

Urban raccoons are developing shorter snouts, revealing how city life is subtly reshaping wildlife anatomy and behavior.

F, marking a first step toward the government and manufacturers potentially using the dummy in future car safety tests. But ...

Earlier this year, a group of researchers published a paper on the remarkable phenomenon of sex reversal in several ...

From rainforest canopies to sunlit savannas, these wildlife photographs take us around the world to witness the remarkable ...