Horns are one of the most visible and impressive adaptations developed by some mammals in the animal kingdom. Lots of animals grow horns, including cows, goats, buffalo, antelope, rhinos, and deer.

University of Massachusetts evolutionary biologist Ted Stankowich, a lecturer and former Darwin Postdoctoral Fellow, offers a new possible explanation as to what uses female animals with hooves have ...

For a whale of a good time, size does matter! Scientists have discovered that male narwhals use their horns as “sexual weapons” to lure the ladies — with frisky females preferring to hook up ...

Submissive. Chaste. Monogamous.That's how evolutionary biologists have classified female animals for centuries — dating back to Darwin and Aristotle.Zoologist Lucy Cooke says they've got it all ...

Sexual selection, a mechanism of evolution that can drive the appearance of bright feathers and elaborate horns, is often assumed to operate largely among males. But a fresh analysis of the data ...

A new study shows that when male animals develop elaborate weapons, such as antlers and horns, females of the same species develop larger brains than expected. ANIMALS As males evolve to have ...

Parks Canada officials have confirmed that a female grizzly bear found dead in Yoho National Park was killed in self-defense by a mountain goat, that managed to stab the predator with its razor ...

Hercules beetles are among the largest flying insects in the world, with males of some subspecies measuring up to 6.8 inches (17.2 centimeters) long.

Scientists are increasingly finding examples of female birds with showy, male-like plumage. New research shines light on the benefit of female white-necked jacobins having flashy, colorful plumage ...