The biggest stories of the day delivered to your inbox.

Their bodies are a bit too large to lower their body temperature enough to enter hibernation, the zoologist explains. "Hedgehogs, on the other hand, do go into hibernation, and it's best for them ...

Scientists have successfully genetically modified chickens to make their feathers resemble those of dinosaurs. This study is ...

When you think of a hedgehog, you might imagine them using their unique defense mechanism: curling into a tight, spiky ball.

Hedgehogs have up to 5000 short, yellow-tipped spines can cover their upper body, offering protection from predators. If they're disturbed they'll roll up into a ball so their soft underside is ...

Inhibiting the sonic hedgehog (Shh) pathway strongly perturbs feather development in chickens by restricting feather bud ...