When related animals produce offspring, the young can be affected by physical abnormalities and health problems. We explain why.

Finding a partner and sticking with them for life isn’t all that common in the animal world, but a few species really commit. Scientists have found lifelong bonds among creatures in trees, rivers, ...

Cassowaries are already known as one of the most dangerous birds on the planet—but mating season raises the stakes. This review explores the risks experts face when attempting to breed them in ...

During the summer months, the voles are largely solitary. However, throughout the long, harsh winters, they form small ...

When animals nod off, they're most vulnerable to sneaky predators. But despite the risks, the need for sleep is so strong ...

When it comes to animals romancing in the wild, things get weird—really weird. Some animals offer bizarre gifts, some put on daring dances, and others? Well, let’s just say things get really messy.

BUENOS AIRES, Argentina (AP) — A passerby could hear the cacophony from miles away in the Argentine capital, the unmistakable ...

From penguins to pups, the holidays are for everyone! ‘A Huge Win’: Trump Admin Praises Major Settlement Appeals court rules Trump prosecutor appointment violates law First lady Melania Trump ...

Over the last four months, the L.A. Zoo has welcomed the birth of five great apes, including a gorilla, orangutan and three chimpanzees. Here's how staff are managing their care.

Why is swapping saliva something all human societies have normalised? Turns out kissing isn't just a human thing — all sorts of species appear to kiss, and new research suggests Neanderthals did it ...

Humans are far more monogamous than our primate cousins, but less so than beavers, a new study suggests. Researchers from the University of Cambridge in England analyzed the proportion of full ...