Two mass strandings have occurred in the same region of Tasmania.
Reference Dogs can only distinguish between blue and yellow hues. Here's how red and green tomatoes look to them.
From a teacup-size Chihuahua to a Great Dane, there is an incredible amount of variety in dog breeds.
Lizards are a diverse group of reptiles made up of thousands of species around the world, including giant Komodo dragons and chameleons the size of your fingertip.
Researchers exploring the deep sea in the Caribbean have come across a mysterious "blue goo" that they can't identify.
Organisms that reproduce quickly can quickly evolve into new species, while geographic barriers can lead to new species formation over tens of millions of years.
With climate change, habitat loss, overhunting and more, which animals are at risk of extinction by 2050?
As many pet owners will attest, when their cat prepares to pounce, it does a little butt wiggle first.