"For a lot of animals, that doesn't make any sense to them at all." So what is the world's slowest animal? And what does ...

The discovery suggests that after the first animals emerged from the ocean around 400 million years ago, they evolved the ability to live exclusively on land much faster than previously assumed.

Alpacas have pear-shaped ears and short noses, whereas llamas have longer, banana-shaped ears and lengthier faces. Alpacas also have fine, silky hair, whereas llamas have wiry, coarse hair, per ...