Animals that researchers call “supersucklers” come back to nurse even after they can hunt, mate and fend for themselves.

Evolutionarily speaking, the ultimate goal of a lifeform is to reproduce and stave off extinction. Many plants and animals ...

Wondering about the world's weirdest sea creatures? We've compiled this list of the 20 weirdest animals in the ocean to show ...

More than 59 different primate species have been observed participating in some kind of same-sex behaviors, making it ...

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

Lush homeowner gardens and thriving farms and nurseries across the globe are fighting a tiny invader considered one of the ...

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

Many primate species have been observed engaging in same-sex sexual behavior. A new study suggests it likely developed ...

‘Le Petit Mort’ or ‘the little death’ is the euphamistic term for orgasm. But for some animals, sex and death are more ...

In downtown Chicago, a coyote spends his entire life in one cemetery, eating chicken that Sunday mourners place on the graves. On Manhattan sidewalks, ants survive on hot dogs and potato chips, ...

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

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 ...