From Japan to China to Toledo, zookeepers routinely brush hippos' teeth. In the wild, hippos rely on birds and fish for ...

Losing your baby teeth is a strange experience. The teeth gradually loosen until they're replaced by thicker, more durable ...

We discover strange new animal species every year. From prehistoric creatures that were pure nightmare fuel to venomous species that can kill you in minutes, the world has also seen its share of truly ...

With razor sharp interlocking teeth piranhas can shred fish muscle and even small bones while hunting or scavenging.

Whether you’re talking about sharks, crocodiles, lions, or even velociraptors, some of the most fearsome traits of these predators involve their rows of sharp, crushing, or jagged teeth. Only ...

Animals often rely on instincts and strategies that look shocking to human eyes. These behaviors can involve unusual hunting ...

Animal teeth serve purposes beyond eating. Sperm whales use teeth to grip prey. Narwhals possess a unique tusk for competition. African elephants employ tusks for various tasks. Walruses rely on tusks ...

Scientists discovered Agriodontosaurus helsbypetrae, a tiny ancient lizard with oversized teeth, changing the story of lizard ...