Two wombs, a forked penis, and giving birth through the nose. These are just a few of the bizarre stories circulating about ...

Animals that researchers call “supersucklers” come back for their mother’s milk even after they can hunt, mate and fend for ...

Bonds between same-sex individuals help apes and monkeys to manage conflict and strengthen alliances, especially in dry ...

Not every animal is optimized for survival, and some evolutionary designs come with major disadvantages. Certain species suffer from traits that limit mobility, defense, reproduction, or adaptability.

An international team of scientists has developed ways to measure and compare the impact of "darkwaves"—when extreme weather ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

The twins were born to a 22-year-old female named Mafuko, who lost her own mother to armed individuals. The extremely ...

Black-bulb yam’s mimicry tricks birds into spreading its berrylike clones. The plant's novel strategy helps it spread without ...

News of the new zoo residents comes one week after officials announced the arrival of two female domestic yaks.

A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

When scientists finally measured the most powerful bite ever recorded, the winner wasn’t T. rex. It was something far older, ...

Pollution is one of the biggest problems facing planet Earth, a consequence of poor practices and decisions made by humankind ...