Another Sonic the Hedgehog movie is racing into theaters. After the blockbuster success of the franchise's third installment, Paramount is wasting no time in dating Sonic the Hedgehog 4.

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 ...

With one look at the collection of quills on their backs, you’d think the porcupine and the hedgehog are related. However, ...

while the African pygmy hedgehog is most commonly kept as a pet. When threatened, they will curl up into a ball, protecting their soft bellies and relying on their quills to protect them from ...