Meet animals that grow for a lifetime, sometimes for centuries, and discover why dinosaurs did not, despite their huge size.

For a small number of animals, reproduction marks a biological endpoint rather than a stage in an ongoing life cycle. Death ...

It is a wonder-filled, sometimes puzzling, and even shocking world out there in the animal kingdom. One of those kickoff ...

Muntjac deer are known as “vampire deer” for their fangs, but their strangest feature lies beneath their eyes.

Animals that can change their sex naturally might sound surprising at first, but in nature, it is simply another survival ...

The origins of consciousness date back about 540 million years ago, when animal bodies became more complex. Feelings like ...

A groundbreaking new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions ...

For 35 years, American zoologist Laurie Marker has been collecting and storing specimens in a cheetah sperm bank in Namibia, ...

A new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions of years ago in ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. “In general, cannibalism of offspring is super widespread,” says ...

As of December 2025, the Milwaukee County Zoo’s new indoor rhino and hippo habitats are officially open to the public. Known as the Ladish Co. Foundation Rhino Care Center, the exhibit marks the ...

The 91-year-old revolutionised French cinema in the 1950s, but became increasingly controversial in her later years.