Exercise Hegehog 25 kicked off across Estonia with 16,000 Estonian and allied forces. But why is Estonia's biggest military ...

How do they do it? Hedgehog quills are filled with air chambers, which make them buoyant. But the quills are still super-strong. And sharp. They're used for self-defense, after all. The trick to ...

Baby hedgehogs, known as hoglets, are born blind and completely reliant on their mothers. Even their famed spines start out soft and hair-like, taking a couple of weeks to harden. Can We Predict ...

Hoglets are also born without quills, but growing them doesn’t take long. Tiny spikes start appearing about 24 hours after birth, giving them more of a hedgehog-like appearance. This is also ...

When someone says hedgehog, what do you think of? Prickles and Sonic probably spring to mind. But there’s a lot more to these cute creatures than their quills. So Young Post spoke to Dr Michael ...

So when an official new Sonic the Hedgehog render drops ... depicts a version of sonic with larger spikes (or 'quills') – similar to the design from the early noughties Sonic Adventure era.