Some animals are built with traits that feel almost impossible when you first hear about them. A few move faster than our eyes can track, while others quietly repair their own bodies in ways we could ...

When animals face danger, they don’t all run or hide. Many have developed unusual and sometimes extreme ways to protect ...

Life exists in surprising forms. Several creatures, including flatworms, jellyfish, and sponges, survive and thrive without a ...

A new study has revealed South America’s wetlands have been home to 5.2m-long anacondas for more than 12 million ...

Scientists at EPFL have created a scalable 3D organoid model that captures key features of early limb development, revealing ...

If you've had an annual checkup recently, your doctor probably ran a blood test to look at things such as your cholesterol ...

Animal shelters in Los Angeles County appreciate donations before and on Giving Tuesday, Dec. 2, the first Tuesday after ...

In the animal kingdom, penises can be spiked, split, corkscrewed—even detachable. They're one of the most diverse structures ...

Some lizards will lose a tail to avoid becoming a meal, but there's more than one reason for animals to self-amputate. Correction: [ 00:21 ] The process of ditching a body part on purpose is known as ...

New research shows feverish temperatures make it more difficult for viruses to hijack our cells. A mouse study suggests it's the heat itself that makes the difference.

Scientists are learning how the brain knows what’s happening throughout the body, and how that process might go awry in some ...